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A124186 Numbers n such that 1 + n + n^3 + n^5 + n^7 + n^9 + n^11 + n^13 + n^15 + n^17 + n^19 + n^21 + n^23 + n^25 + n^27 + n^29 + n^31 is prime. 0
1, 16, 25, 27, 93, 121, 187, 211, 267, 402, 420, 480, 601, 612, 631, 646, 667, 906, 916, 982, 1023, 1083, 1131, 1221, 1248, 1297, 1326, 1365, 1485, 1518, 1683, 1687, 1806, 1816, 1840, 1881, 1975, 1978, 2001, 2070, 2098, 2187, 2275, 2376, 2382 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..45.

MATHEMATICA

Do[If[PrimeQ[1+n+n^3+n^5+n^7+n^9+n^11+n^13+n^15+n^17+n^19+n^21+n^23+n^25+n^27+n^29+n^31], Print[n]], {n, 1, 2400}]

CROSSREFS

Cf. A049407.

Sequence in context: A227651 A095409 A111026 * A176512 A001033 A100647

Adjacent sequences:  A124183 A124184 A124185 * A124187 A124188 A124189

KEYWORD

nonn

AUTHOR

Artur Jasinski, Dec 13 2006

STATUS

approved

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Last modified April 24 13:28 EDT 2014. Contains 240983 sequences.