The On-Line Encyclopedia of Integer Sequences (OEIS)

The OEIS is supported by the many generous donors to the OEIS Foundation.

Revision History for A205136

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A205136

Ordered differences of distinct pentagonal numbers.
(history; published version)

#5 by Russ Cox at Fri Mar 30 18:58:10 EDT 2012

AUTHOR

_Clark Kimberling (ck6(AT)evansville.edu), _, Jan 25 2012

Discussion

Fri Mar 30

18:58

OEIS Server: https://oeis.org/edit/global/285

#4 by T. D. Noe at Wed Jan 25 18:23:32 EST 2012

STATUS

proposed

approved

#3 by Clark Kimberling at Wed Jan 25 18:02:50 EST 2012

STATUS

editing

proposed

#2 by Clark Kimberling at Wed Jan 25 14:49:56 EST 2012

NAME

allocated for Clark KimberlingOrdered differences of distinct pentagonal numbers.

DATA

4, 11, 7, 21, 17, 10, 34, 30, 23, 13, 50, 46, 39, 29, 16, 69, 65, 58, 48, 35, 19, 91, 87, 80, 70, 57, 41, 22, 116, 112, 105, 95, 82, 66, 47, 25, 144, 140, 133, 123, 110, 94, 75, 53, 28, 175, 171, 164, 154, 141, 125, 106, 84, 59, 31, 209, 205, 198, 188, 175

OFFSET

1,1

COMMENTS

For a guide to related sequences, see A204892.

EXAMPLE

a(1)=s(2)-s(1)=5-1=4

a(2)=s(3)-s(1)=12-1=11

a(3)=s(3)-s(2)=12-5=7

a(4)=s(4)-s(1)=22-1=21

a(5)=s(4)-s(2)=22-5=17

MATHEMATICA

(See the program at A205138.)

CROSSREFS

Cf. A205138, A204892.

KEYWORD

allocated

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Jan 25 2012

STATUS

approved

editing

#1 by Clark Kimberling at Sun Jan 22 10:30:44 EST 2012

NAME

allocated for Clark Kimberling

KEYWORD

allocated

STATUS

approved