Square array A(n,k), n >= 0, k >= 1, read by antidiagonals, where column k is the expansion of e.g.f. exp(Sum_{j=1..k} j^2*x^j).
A293724
Square array A(n,k), n >= 0, k >= 1, read by antidiagonals, where column k is the expansion of e.g.f. exp(Sum_{j=1..k} j^2*x^j).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =9a(9) =1a(10) =1a(11) =1a(12) =9a(13) =25a(14) =1a(15) =1a(16) =1a(17) =9a(18) =79a(19) =241a(20) =1a(21) =1a(22) =1a(23) =9a(24) =79a(25) =457a(26) =1041a(27) =1a(28) =1a(29) =1
External references
- oeis: A293724