Triangle read by rows: T(n,k) is the number of nested cycle partitions of n labeled nodes into k components.
A392471
Triangle read by rows: T(n,k) is the number of nested cycle partitions of n labeled nodes into k components.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =5a(4) =3a(5) =1a(6) =14a(7) =23a(8) =6a(9) =1a(10) =74a(11) =120a(12) =65a(13) =10a(14) =1a(15) =474a(16) =904a(17) =525a(18) =145a(19) =15a(20) =1a(21) =3114a(22) =7322a(23) =5299a(24) =1645a(25) =280a(26) =21a(27) =1a(28) =24240a(29) =65764
External references
- oeis: A392471