Expansion of 1/(2 - g^2), where g = 1+x*g^4 is the g.f. of A002293.
A391464
Expansion of 1/(2 - g^2), where g = 1+x*g^4 is the g.f. of A002293.
Terms
- a(0) =1a(1) =2a(2) =13a(3) =96a(4) =753a(5) =6120a(6) =50927a(7) =430992a(8) =3694093a(9) =31978904a(10) =279059428a(11) =2451295616a(12) =21652137343a(13) =192157404920
External references
- oeis: A391464