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A126916
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Numbers n such that 1 + n^2 + n^4 + n^6 + n^8 + n^10 + n^12 + n^14 + n^16 + n^18 + n^20 + n^22 + n^23 is prime.
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11
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1, 2, 11, 23, 47, 64, 77, 80, 103, 251, 290, 321, 331, 335, 375, 382, 387, 403, 507, 568, 590, 594, 649, 801, 805, 828, 830, 840, 847, 854, 905, 925, 926, 959, 982, 986, 1034, 1086, 1094, 1102, 1122, 1129, 1147, 1160, 1391
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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MATHEMATICA
| a = {}; Do[If[PrimeQ[1 + n^2 + n^4 + n^6 + n^8 + n^10 + n^12 + n^14 + n^16 + n^18 + n^20 + n^22 + n^23], AppendTo[a, n]], {n, 1, 1400}]; a
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CROSSREFS
| Cf. A049407, A124175 A124176 A124177, A124178, A124179, A124180, A124181, A126908-A126916.
Sequence in context: A103255 A031385 A179878 * A056637 A090424 A141423
Adjacent sequences: A126913 A126914 A126915 * A126917 A126918 A126919
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KEYWORD
| nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Dec 31 2006
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