Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of the e.g.f. exp(x)/(1 - k*x).

A320031

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of the e.g.f. exp(x)/(1 - k*x).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =3a(8) =5a(9) =1a(10) =1a(11) =4a(12) =13a(13) =16a(14) =1a(15) =1a(16) =5a(17) =25a(18) =79a(19) =65a(20) =1a(21) =1a(22) =6a(23) =41a(24) =226a(25) =633a(26) =326a(27) =1a(28) =1a(29) =7

External references