Triangle T(n,k) arising from enumeration of permutations with ordered orbits, read by rows (1<=k<=n).
A059418
Triangle T(n,k) arising from enumeration of permutations with ordered orbits, read by rows (1<=k<=n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =2a(5) =1a(6) =12a(7) =7a(8) =4a(9) =1a(10) =60a(11) =33a(12) =19a(13) =7a(14) =1a(15) =360a(16) =192a(17) =109a(18) =47a(19) =11a(20) =1a(21) =2520a(22) =1320a(23) =737a(24) =344a(25) =102a(26) =16a(27) =1a(28) =20160a(29) =10440
External references
- oeis: A059418