

A108659


Squarechain primes (including squareloop primes).


3



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
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OFFSET

1,1


COMMENTS

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


LINKS

Table of n, a(n) for n=1..42.


CROSSREFS

Cf. A046704, A007953, A088133, A088134, A088135, A088136, A108660.
Sequence in context: A031392 A156980 A158720 * A086924 A108660 A107132
Adjacent sequences: A108656 A108657 A108658 * A108660 A108661 A108662


KEYWORD

nonn,base


AUTHOR

Zak Seidov, Jun 16 2005


STATUS

approved



