Expansion of g.f. A(x) satisfying Sum_{n>=0} Product_{k=1..n} (x^(2*k-1) - 3*A(x)) = 1 - 2*Sum_{n>=1} x^(n^2).
A370340
Expansion of g.f. A(x) satisfying Sum_{n>=0} Product_{k=1..n} (x^(2*k-1) - 3*A(x)) = 1 - 2*Sum_{n>=1} x^(n^2).
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =66a(7) =142a(8) =316a(9) =712a(10) =1596a(11) =3526a(12) =7666a(13) =16474a(14) =35268a(15) =75846a(16) =164776a(17) =361944a(18) =800952a(19) =1775292a(20) =3920582a(21) =8602294a(22) =18755232a(23) =40738678a(24) =88494826a(25) =192898958a(26) =422630076a(27) =930146080a(28) =2051611954a(29) =4522221418
External references
- oeis: A370340