login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A115699
Primes whose digit reversal is the product of 2 palindromes greater than 1.
0
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
OFFSET
1,1
EXAMPLE
829 is prime and 928=4*232.
CROSSREFS
Cf. A115683.
Sequence in context: A050657 A050668 A199219 * A301623 A163635 A376013
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Jan 31 2006
STATUS
approved