Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (x^n - 4*A(x))^n = theta_4(x).
A369671
Expansion of g.f. A(x) satisfying Sum_{n=-oo..+oo} (x^n - 4*A(x))^n = theta_4(x).
Terms
- a(0) =1a(1) =4a(2) =15a(3) =52a(4) =177a(5) =664a(6) =3038a(7) =16268a(8) =90660a(9) =490456a(10) =2541387a(11) =12819184a(12) =64665462a(13) =333763444a(14) =1776226471a(15) =9670530120a(16) =53128162973a(17) =291546645940
External references
- oeis: A369671