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Revision History for A248921

(Underlined text is an addition; strikethrough text is a deletion.)

Showing all changes.
A248921 Primes in the pentanacci numbers sequence A000322.
(history; published version)
#10 by Harvey P. Dale at Sat Nov 30 13:27:18 EST 2019
STATUS

editing

approved

#9 by Harvey P. Dale at Sat Nov 30 13:27:15 EST 2019
LINKS

Harvey P. Dale, <a href="/A248921/b248921.txt">Table of n, a(n) for n = 1..19</a>

STATUS

approved

editing

#8 by Harvey P. Dale at Sat Nov 30 13:24:20 EST 2019
STATUS

editing

approved

#7 by Harvey P. Dale at Sat Nov 30 13:24:17 EST 2019
MATHEMATICA

Select[With[{c={1, 1, 1, 1, 1}}, LinearRecurrence[c, c, 300]], PrimeQ] (* Harvey P. Dale, Nov 30 2019 *)

STATUS

approved

editing

#6 by N. J. A. Sloane at Sun Oct 19 16:06:35 EDT 2014
STATUS

proposed

approved

#5 by Robert Price at Thu Oct 16 11:27:15 EDT 2014
STATUS

editing

proposed

#4 by Robert Price at Thu Oct 16 11:27:02 EDT 2014
CROSSREFS

Cf. A001590, A001631, A100683, A231574, A231575, A232543, A214899, A020992, A233554, A214727, A234696, A141523, A235862, A214825, A235873, A001630, A241660, A247027, A000288, A247561, A000322, A248920.

#3 by Robert Price at Thu Oct 16 11:25:33 EDT 2014
NAME

Primes in the pentanacci tetranaccinumbers sequence A000288A000322.

DATA

7, 13, 181, 3495, 67317, 1297977, 3451328697, 9079945356417, 1750215731428864769, 46572905772809074173, 1730414064121344178433, 1131469145856472270556751793626815657409, 154431031092799113602508962620918407729752001, 14423985995844227342864323958145184412235012317881588988297338942875602391948125494800020122167809, 18598135820391234761502881488353916158281807617671450769136507010958920295813169620935932629930648432530102206331972221346174230852977164801

COMMENTS

a(1613) is too large to display here. It has 63132 digits and is the 221st450th term in A000288A000322.

MATHEMATICA

a={1, 1, 1, 1, 1}; For[n=45, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], Print[sum]]; a=RotateLeft[a]; a[[45]]=sum]

#2 by Robert Price at Thu Oct 16 11:20:55 EDT 2014
NAME

allocatedPrimes in the fortetranacci Robertsequence PriceA000288.

DATA

7, 13, 181, 349, 673, 1297, 34513, 90799453, 175021573, 4657290577, 17304140641, 1131469145856472270556751793, 1544310310927991136025089626209, 1442398599584422734286432395814518441223501, 18598135820391234761502881488353916158281807617671450769

OFFSET

1,1

COMMENTS

a(16) is too large to display here. It has 63 digits and is the 221st term in A000288.

MATHEMATICA

a={1, 1, 1, 1}; For[n=4, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], Print[sum]]; a=RotateLeft[a]; a[[4]]=sum]

CROSSREFS

Cf. A001590, A001631, A100683, A231574, A231575, A232543, A214899, A020992, A233554, A214727, A234696, A141523, A235862, A214825, A235873, A001630, A241660, A247027, A000288, A247561.

KEYWORD

allocated

nonn

AUTHOR

Robert Price, Oct 16 2014

STATUS

approved

editing

#1 by Robert Price at Thu Oct 16 11:20:55 EDT 2014
NAME

allocated for Robert Price

KEYWORD

allocated

STATUS

approved

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Last modified August 18 19:26 EDT 2024. Contains 375273 sequences. (Running on oeis4.)