Triangle read by rows. T(n, k) = FallingFactorial(n - k, k) * Stirling2(n - k, k), for n >= 0 and 0 <= k <= n//2, where '//' denotes integer division.

A362789

Triangle read by rows. T(n, k) = FallingFactorial(n - k, k) * Stirling2(n - k, k), for n >= 0 and 0 <= k <= n//2, where '//' denotes integer division.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =1a(4) =0a(5) =2a(6) =0a(7) =3a(8) =2a(9) =0a(10) =4a(11) =18a(12) =0a(13) =5a(14) =84a(15) =6a(16) =0a(17) =6a(18) =300a(19) =144a(20) =0a(21) =7a(22) =930a(23) =1500a(24) =24a(25) =0a(26) =8a(27) =2646a(28) =10800a(29) =1200

External references