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Search: id:A124401
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| 3, 5, 8, 9, 11, 15, 21, 39, 50, 63, 83, 95, 99, 173, 350, 854, 1308, 1769, 2903, 5250, 5345, 5639, 6195, 7239
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Does 2 occur infinitely often in A124151?
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MATHEMATICA
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f[n_] := Block[{k = 1}, While[ !PrimeQ[ Sum[k^(2j - 1), {j, n}] + 1] && k < 3, k++ ]; k]; lst = {}; Do[ If[f@n == 2, Print[n]; AppendTo[lst, n]], {n, 9250}]; lst - from Robert G. Wilson v (rgwv(at)rgwv.com), Dec 17 2006
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CROSSREFS
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Cf. A006093, A124205-A124209, A124164, A124178, A124181, A124185-A124187, A124189, A124200, A124154, A124163.
Sequence in context: A108594 A026223 A034784 this_sequence A151747 A088597 A080640
Adjacent sequences: A124398 A124399 A124400 this_sequence A124402 A124403 A124404
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KEYWORD
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nonn
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Dec 14 2006
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Dec 17 2006
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