Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (-1)^n * (x^n + 4*A(x))^n = 1 + 6*Sum_{n>=1} (-1)^n * x^(n^2).
A370024
Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (-1)^n * (x^n + 4*A(x))^n = 1 + 6*Sum_{n>=1} (-1)^n * x^(n^2).
Terms
- a(0) =1a(1) =4a(2) =19a(3) =99a(4) =529a(5) =2853a(6) =15566a(7) =85879a(8) =477716a(9) =2674070a(10) =15047671a(11) =85063429a(12) =482733230a(13) =2748703604a(14) =15697194139a(15) =89875431754a(16) =515774659357
External references
- oeis: A370024