Number T(n,k) of permutations of n elements with no fixed points and largest cycle of length k; triangle T(n,k), n>=0, 0<=k<=n, read by rows.
A211871
Number T(n,k) of permutations of n elements with no fixed points and largest cycle of length k; triangle T(n,k), n>=0, 0<=k<=n, read by rows.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =0a(7) =0a(8) =0a(9) =2a(10) =0a(11) =0a(12) =3a(13) =0a(14) =6a(15) =0a(16) =0a(17) =0a(18) =20a(19) =0a(20) =24a(21) =0a(22) =0a(23) =15a(24) =40a(25) =90a(26) =0a(27) =120a(28) =0a(29) =0
External references
- oeis: A211871