Number of uniform circular words of length n with adjacent elements unequal using an infinite alphabet up to permutations of the alphabet.

A369925

Number of uniform circular words of length n with adjacent elements unequal using an infinite alphabet up to permutations of the alphabet.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =2a(5) =1a(6) =6a(7) =1a(8) =33a(9) =23a(10) =295a(11) =1a(12) =4877a(13) =1a(14) =44191a(15) =141210a(16) =749316a(17) =1a(18) =31762349a(19) =1a(20) =309754506a(21) =3980911205a(22) =4704612121a(23) =1a(25) =55279816357a(29) =1a(31) =1

External references