Triangle read by rows: T(n,k) (n>=1, 0<=k<n) is the number of permutations of n with maximal difference k between elements in the same cycle.
A263757
Triangle read by rows: T(n,k) (n>=1, 0<=k<n) is the number of permutations of n with maximal difference k between elements in the same cycle.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =1a(7) =4a(8) =7a(9) =12a(10) =1a(11) =7a(12) =17a(13) =35a(14) =60a(15) =1a(16) =12a(17) =44a(18) =93a(19) =210a(20) =360a(21) =1a(22) =20a(23) =103a(24) =275a(25) =651a(26) =1470a(27) =2520a(28) =1a(29) =33
External references
- oeis: A263757