Expansion of 1/(g^2 * (2 - g^2)), where g = 1+x*g^4 is the g.f. of A002293.
A391515
Expansion of 1/(g^2 * (2 - g^2)), where g = 1+x*g^4 is the g.f. of A002293.
Terms
- a(0) =1a(1) =0a(2) =4a(3) =36a(4) =305a(5) =2584a(6) =22072a(7) =190196a(8) =1651949a(9) =14446768a(10) =127089352a(11) =1123729680a(12) =9980185679a(13) =88981492088a(14) =796060412136
External references
- oeis: A391515