G.f. A(x) satisfies: x*A(x) = Sum_{n=-oo..+oo} (-1)^n * x^(n*(n+1)/2) * A(x)^n.

A355361

G.f. A(x) satisfies: x*A(x) = Sum_{n=-oo..+oo} (-1)^n * x^(n*(n+1)/2) * A(x)^n.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =26a(4) =136a(5) =746a(6) =4261a(7) =25173a(8) =152596a(9) =943804a(10) =5931561a(11) =37768700a(12) =243124702a(13) =1579577423a(14) =10344340396a(15) =68212177180a(16) =452531832109

External references