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Search: id:A081508
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A081508 Primes of form 1+3^n+5^n. +0
1
3, 244672067, 14551915378461487103639747, 3552713678880267372432493847753987, 211758236813575107295480170109084902352995775163267 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

Do[s=1^w+3^w+5^w; If[IntegerQ[w/100], Print[{w}]]; If[PrimeQ[s], Print[{w, s}]], {w, 0, 1000}]

CROSSREFS

Sequence in context: A137131 A117721 A058469 this_sequence A067481 A058433 A154998

Adjacent sequences: A081505 A081506 A081507 this_sequence A081509 A081510 A081511

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Apr 15 2003

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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