Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (-1)^n * (x^n + 5*A(x))^n = 1 + 7*Sum_{n>=1} (-1)^n * x^(n^2).
A370025
Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (-1)^n * (x^n + 5*A(x))^n = 1 + 7*Sum_{n>=1} (-1)^n * x^(n^2).
Terms
- a(0) =1a(1) =5a(2) =28a(3) =169a(4) =1054a(5) =6667a(6) =42627a(7) =275211a(8) =1791132a(9) =11731613a(10) =77242391a(11) =510826889a(12) =3391115560a(13) =22586150402a(14) =150866419771
External references
- oeis: A370025