Number of orbits of length n in map whose periodic points come from A006954.

Terms

a(0) =6a(1) =12a(2) =12a(3) =0a(4) =12a(5) =444a(6) =0a(7) =60a(8) =84a(9) =24a(10) =12a(11) =0a(12) =0a(13) =60a(14) =948a(15) =0a(16) =0a(17) =106428a(18) =0a(19) =660a(20) =84a(21) =24a(22) =12a(23) =1800a(24) =0a(25) =60a(26) =0a(27) =0a(28) =12a(29) =1892316