id:A124200 - OEIS Search Results

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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 + n^33 + n^35 + n^37 + n^39 + n^41 + n^43 is prime.

+0
4

1, 7, 10, 171, 304, 322, 357, 385, 418, 436, 448, 592, 606, 628, 642, 858, 1065, 1186, 1438, 1543, 1639, 1843, 1848, 1879, 1899, 2110, 2241 (list; graph; listen)

	OFFSET	`1,2`
	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+n^33+n^35+n^37+n^39+n^41+n^43], Print[n]], {n, 1, 2400}]`
	CROSSREFS	`Cf. A049407.` `Sequence in context: A136865 A123797 A123805 this_sequence A133346 A091920 A036934` `Adjacent sequences: A124197 A124198 A124199 this_sequence A124201 A124202 A124203`
	KEYWORD	`nonn`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Dec 13 2006`

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

AT&T Labs Research