Maximum number of inequivalent permutations of a partition of n, where two permutations are equivalent if they are reversals of each other.
A361223
Maximum number of inequivalent permutations of a partition of n, where two permutations are equivalent if they are reversals of each other.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =4a(6) =6a(7) =10a(8) =16a(9) =30a(10) =54a(11) =84a(12) =140a(13) =252a(14) =420a(15) =756a(16) =1260a(17) =2520a(18) =4620a(19) =7920a(20) =13860a(21) =27720a(22) =51480a(23) =90120a(24) =180180a(25) =337890a(26) =600600a(27) =1081080a(28) =2042040a(29) =3675672
External references
- oeis: A361223