Number of achiral m-color cyclic compositions of n (that is, number of cyclic compositions of n with reflection symmetry where each part of size m can be colored with one of m colors).
A308747
Number of achiral m-color cyclic compositions of n (that is, number of cyclic compositions of n with reflection symmetry where each part of size m can be colored with one of m colors).
Terms
- a(0) =1a(1) =3a(2) =6a(3) =13a(4) =23a(5) =44a(6) =73a(7) =131a(8) =210a(9) =365a(10) =575a(11) =984a(12) =1537a(13) =2611a(14) =4062a(15) =6877a(16) =10679a(17) =18052a(18) =28009a(19) =47315a(20) =73386a(21) =123933a(22) =192191a(23) =324528a(24) =503233a(25) =849699a(26) =1317558a(27) =2224621a(28) =3449495a(29) =5824220
External references
- oeis: A308747