Expansion of 1/(g * (2-g))^4, where g = 1+x*g^4 is the g.f. of A002293.
A391224
Expansion of 1/(g * (2-g))^4, where g = 1+x*g^4 is the g.f. of A002293.
Terms
- a(0) =1a(1) =0a(2) =4a(3) =32a(4) =250a(5) =1984a(6) =16028a(7) =131520a(8) =1093467a(9) =9192000a(10) =77995844a(11) =667120064a(12) =5745615288a(13) =49783625472a(14) =433650443220
External references
- oeis: A391224