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A112881 Indices of prime Perrin numbers; values of n such that A001608(n) is prime. +0
1
2, 3, 4, 5, 6, 7, 10, 12, 20, 21, 24, 34, 38, 75, 122, 166, 236, 355, 356, 930, 1042, 1214, 1461, 1622, 4430, 5802, 9092, 16260, 18926, 23698, 40059, 45003, 73807, 91405, 263226, 316872, 321874, 324098 (list; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Perrin Sequence

Eric Weisstein's World of Mathematics, Integer Sequence Primes

CROSSREFS

Cf. A001608, A074788.

Adjacent sequences: A112878 A112879 A112880 this_sequence A112882 A112883 A112884

Sequence in context: A018444 A032378 A164947 this_sequence A008814 A005140 A017845

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Oct 05, 2005

EXTENSIONS

a(34) from Eric Weisstein (eric(AT)weisstein.com), Oct 6, 2005)

a(35) = 263226 from Eric Weisstein (eric(AT)weisstein.com), May 04, 2006

a(36) = 316872 from Eric Weisstein (eric(AT)weisstein.com), Feb 04, 2007

a(37) = 321874 from Eric Weisstein (eric(AT)weisstein.com), Feb 19, 2007

a(38) = 324098 from Eric Weisstein (eric(AT)weisstein.com), Feb 25, 2007

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.


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