Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A381572.

A381571

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A381572.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =1a(4) =2a(5) =0a(6) =1a(7) =4a(8) =7a(9) =0a(10) =1a(11) =6a(12) =18a(13) =38a(14) =0a(15) =1a(16) =8a(17) =33a(18) =104a(19) =267a(20) =0a(21) =1a(22) =10a(23) =52a(24) =206a(25) =735a(26) =2232a(27) =0a(28) =1a(29) =12

External references