Number of length n primitive (aperiodic) palindromes with integer entries that cover an initial interval of positive integers.

A327874

Number of length n primitive (aperiodic) palindromes with integer entries that cover an initial interval of positive integers.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =2a(4) =2a(5) =12a(6) =10a(7) =74a(8) =72a(9) =538a(10) =528a(11) =4682a(12) =4668a(13) =47292a(14) =47218a(15) =545820a(16) =545760a(17) =7087260a(18) =7086710a(19) =102247562a(20) =102247020a(21) =1622632496a(22) =1622627890a(23) =28091567594a(24) =28091562840a(25) =526858348368a(26) =526858301088

External references