Number of primitive (aperiodic) palindromes using a maximum of two different symbols.
2, 0, 2, 2, 6, 4, 14, 12, 28, 24, 62, 54, 126, 112, 246, 240, 510, 476, 1022, 990, 2030
1 seqfan posts
Thu Nov 25 10:45:51 CET 2010 [seqfan] Re: Aperiodic palindromes