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Search: id:A126909
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A126909 Numbers n such that 1 + n^2 + n^4 + n^6 + n^8 + n^9 is prime. +0
1
2, 18, 48, 56, 116, 120, 128, 146, 194, 198, 200, 230, 266, 278, 282, 288, 324, 362, 372, 390, 396, 420, 434, 458, 488, 576, 594, 708, 714, 728, 740, 774, 818, 830, 860, 888, 896, 912, 914, 990, 996, 1002, 1008, 1010, 1016, 1044, 1124, 1128, 1140, 1146, 1260 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

a = {}; Do[If[PrimeQ[1 + n^2 + n^4 + n^6 + n^8 + n^9], AppendTo[a, n]], {n, 1, 1400}]; a

CROSSREFS

Cf. A049407, A124175 A124176 A124177, A124178, A124179, A124180, A124181, A126908-A126916.

Sequence in context: A072278 A131538 A009820 this_sequence A139268 A052681 A048910

Adjacent sequences: A126906 A126907 A126908 this_sequence A126910 A126911 A126912

KEYWORD

nonn

AUTHOR

Artur Jasinki (grafix(AT)csl.pl), Dec 31 2006

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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