Triangle read by rows: T(n,k) is the number of generalized permutations related to the degenerate Eulerian numbers with exactly k ascents (0 <= k <= max(0,n-1)).

A336633

Triangle read by rows: T(n,k) is the number of generalized permutations related to the degenerate Eulerian numbers with exactly k ascents (0 <= k <= max(0,n-1)).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =2a(4) =6a(5) =16a(6) =6a(7) =24a(8) =116a(9) =116a(10) =24a(11) =120a(12) =888a(13) =1624a(14) =888a(15) =120a(16) =720a(17) =7416a(18) =20984a(19) =20984a(20) =7416a(21) =720a(22) =5040a(23) =67968a(24) =270432a(25) =419680a(26) =270432a(27) =67968a(28) =5040a(29) =40320

External references