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A109079 Numbers n such that the string n12341237 is prime. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
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
KEYWORD
nonn,base
AUTHOR
Parthasarathy Nambi, Aug 17 2005
STATUS
approved

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Last modified July 12 07:24 EDT 2024. Contains 374237 sequences. (Running on oeis4.)