Expansion of g/(2 - g^2)^2, where g = 1+x*g^2 is the g.f. of A000108.

A391460

Expansion of g/(2 - g^2)^2, where g = 1+x*g^2 is the g.f. of A000108.

Terms

    a(0) =1a(1) =5a(2) =28a(3) =155a(4) =845a(5) =4547a(6) =24208a(7) =127754a(8) =669271a(9) =3484423a(10) =18044572a(11) =93015958a(12) =477544394a(13) =2442987822a(14) =12458091056a(15) =63350285588a(16) =321318018891

External references