G.f. satisfies A(x) = Sum_{n>=1} A(x^(2*n))/A(x^n), with A(0) = 0 and A'(0) = 1.
A378259
G.f. satisfies A(x) = Sum_{n>=1} A(x^(2*n))/A(x^n), with A(0) = 0 and A'(0) = 1.
Terms
- a(0) =1a(1) =2a(2) =14a(3) =32a(4) =286a(5) =480a(6) =3532a(7) =7520a(8) =75126a(9) =138560a(10) =897876a(11) =1997408a(12) =17039340a(13) =29800896a(14) =233106072a(15) =497063872a(16) =5068814502a(17) =10555899520a(18) =67510782340a(19) =148762640480a(20) =961465207492
External references
- oeis: A378259