T(n,k) = [0<k<=n] * n*(T(n-1,k-1)+T(n-1,k)) + [k=0 and n>=0]; triangle T(n,k), n >= 0, 0 <= k <= n, read by rows.
A326659
T(n,k) = [0<k<=n] * n*(T(n-1,k-1)+T(n-1,k)) + [k=0 and n>=0]; triangle T(n,k), n >= 0, 0 <= k <= n, read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =2a(6) =1a(7) =15a(8) =18a(9) =6a(10) =1a(11) =64a(12) =132a(13) =96a(14) =24a(15) =1a(16) =325a(17) =980a(18) =1140a(19) =600a(20) =120a(21) =1a(22) =1956a(23) =7830a(24) =12720a(25) =10440a(26) =4320a(27) =720a(28) =1a(29) =13699
External references
- oeis: A326659