Triangle read by rows: Eulerian numbers of type B, T(n,k) (1 <= k <= n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (2*n - 2*k + 1)*T(n-1, k-1) + (2*k - 1)*T(n-1, k).
A060187
Triangle read by rows: Eulerian numbers of type B, T(n,k) (1 <= k <= n) given by T(n, 1) = T(n,n) = 1, otherwise T(n, k) = (2*n - 2*k + 1)*T(n-1, k-1) + (2*k - 1)*T(n-1, k).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =6a(5) =1a(6) =1a(7) =23a(8) =23a(9) =1a(10) =1a(11) =76a(12) =230a(13) =76a(14) =1a(15) =1a(16) =237a(17) =1682a(18) =1682a(19) =237a(20) =1a(21) =1a(22) =722a(23) =10543a(24) =23548a(25) =10543a(26) =722a(27) =1a(28) =1a(29) =2179
External references
- oeis: A060187