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A108659 Square-chain primes (including square-loop primes). +0
4
2, 13, 31, 79, 97, 101, 109, 131, 181, 227, 313, 401, 409, 631, 727, 797, 881, 1009, 1013, 1097, 2797, 3109, 3181, 3631, 4001, 4013, 7901, 8101, 9001, 9013, 10009, 10181, 10909, 10979, 13109, 18131, 18181, 22279, 22727, 27901, 31013, 36313 (list; graph; listen)
OFFSET

1,1

COMMENT

Primes such that each pair of adjacent digits sums up to a square. First term is a square-loop prime, cf. A108660.

CROSSREFS

Cf. A046704, A007953, A088133, A088134, A088135, A088136, A108660.

Sequence in context: A132602 A001914 A031392 this_sequence A086924 A108660 A107132

Adjacent sequences: A108656 A108657 A108658 this_sequence A108660 A108661 A108662

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Jun 16 2005

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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