A109079 - OEIS

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A109079

Numbers n such that the string n12341237 is prime.

0, 8, 9, 12, 27, 45, 51, 65, 75, 77, 78, 89, 90, 101, 117, 122, 126, 140, 170, 171, 212, 219, 222, 231, 261, 272, 287, 300, 365, 371, 374, 377, 381, 387, 392, 401, 404, 407, 425, 440, 446, 450, 468, 474, 486, 491, 509, 534, 539, 548, 551, 558, 582, 591, 611, 617, 629, 645, 656, 657, 674, 687, 702

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..63.

EXAMPLE

n=0 is in the sequence because n12341237 = 012341237 is prime.

n=90 is in the sequence because n12341237 = 9012341237 is prime.

MATHEMATICA

Select[Range[0, 800], PrimeQ[#*10^8+12341237]&] (* Harvey P. Dale, Jul 13 2019 *)

CROSSREFS

Sequence in context: A336711 A063080 A167131 * A050883 A064164 A079525

Adjacent sequences: A109076 A109077 A109078 * A109080 A109081 A109082

KEYWORD

nonn,base

AUTHOR

Parthasarathy Nambi, Aug 17 2005

STATUS

approved