Number of length n primitive (period n) bracelet structures which are not periodic palindromes using an infinite alphabet.

A328035

Number of length n primitive (period n) bracelet structures which are not periodic palindromes using an infinite alphabet.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =2a(4) =7a(5) =23a(6) =78a(7) =311a(8) =1297a(9) =6200a(10) =31747a(11) =178703a(12) =1070388a(13) =6842898a(14) =46158435a(15) =327718768a(16) =2437732593a(17) =18948528721a(18) =153498234770

External references