Expansion of g.f. A(x) satisfying 2 = Sum_{n=-oo..+oo} (-1)^n * x^n * (A(x) + x^(2*n))^(2*n+1).
A363140
Expansion of g.f. A(x) satisfying 2 = Sum_{n=-oo..+oo} (-1)^n * x^n * (A(x) + x^(2*n))^(2*n+1).
Terms
- a(0) =1a(1) =2a(2) =5a(3) =20a(4) =86a(5) =396a(6) =1887a(7) =9277a(8) =46748a(9) =240189a(10) =1253474a(11) =6625814a(12) =35401302a(13) =190878795a(14) =1037296173a(15) =5675580349a(16) =31240459117a(17) =172871809365a(18) =961124621229
External references
- oeis: A363140