0,2

The sum using all palindromic numbers <10^11 is 1.32398... Extrapolating using palindromic primes <10^8 using Wynn's epsilon method gives a value near 1.3240... - Eric Weisstein (eric(AT)weisstein.com), May 14 2006

Eric Weisstein: Palindromic Prime.

Carlos Rivera: Problems & Puzzles: Puzzle 056 - The Honaker's Constant.

a(n) = sum(1/p), p is a palindromic prime.

Cf. A002385.

Sequence in context: A089750 A109591 A143932 this_sequence A070471 A070690 A129237

Adjacent sequences: A118061 A118062 A118063 this_sequence A118065 A118066 A118067

cons,nonn,more

Martin Renner (martin.renner(AT)gmx.net), May 11 2006

Corrected by Eric Weisstein (eric(AT)weisstein.com), May 14 2006