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A115699 Primes whose digit reversal is the product of 2 palindromes greater than 1. +0
1
23, 41, 53, 61, 223, 263, 283, 467, 509, 557, 607, 647, 719, 809, 829, 2131, 2141, 2153, 2347, 2351, 2521, 2531, 2593, 2731, 2767, 2953, 2957, 4091, 4261, 4603, 4751, 4817, 4951, 5171, 5393, 5651, 6173, 6361, 6571, 6581, 6761, 6763, 6791 (list; graph; listen)
OFFSET

1,1

EXAMPLE

829 is prime and 928=4*232.

CROSSREFS

Cf. A115683.

Sequence in context: A134755 A050657 A050668 this_sequence A083444 A106970 A114379

Adjacent sequences: A115696 A115697 A115698 this_sequence A115700 A115701 A115702

KEYWORD

nonn,base

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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