E2(n, k), the second-order Eulerian numbers with E2(0, k) = δ_{0, k}. Triangle read by rows, E2(n, k) for 0 <= k <= n.
A340556
E2(n, k), the second-order Eulerian numbers with E2(0, k) = δ_{0, k}. Triangle read by rows, E2(n, k) for 0 <= k <= n.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =0a(7) =1a(8) =8a(9) =6a(10) =0a(11) =1a(12) =22a(13) =58a(14) =24a(15) =0a(16) =1a(17) =52a(18) =328a(19) =444a(20) =120a(21) =0a(22) =1a(23) =114a(24) =1452a(25) =4400a(26) =3708a(27) =720a(28) =0a(29) =1
External references
- oeis: A340556