Expansion of g.f. A(x) satisfying 3 = Sum_{n=-oo..+oo} (-1)^n * x^(2*n) * (3*A(x) + x^(n-2))^(n+1).
A363108
Expansion of g.f. A(x) satisfying 3 = Sum_{n=-oo..+oo} (-1)^n * x^(2*n) * (3*A(x) + x^(n-2))^(n+1).
Terms
- a(0) =1a(1) =2a(2) =7a(3) =26a(4) =86a(5) =318a(6) =1165a(7) =4312a(8) =16318a(9) =62020a(10) =238165a(11) =921980a(12) =3590145a(13) =14067188a(14) =55399442a(15) =219172028a(16) =870736366a(17) =3472155062a(18) =13892694747a(19) =55759406580a(20) =224427809830a(21) =905659181212
External references
- oeis: A363108