Expansion of g/(2 - g^2)^2, where g = 1+x*g^3 is the g.f. of A001764.

A391463

Expansion of g/(2 - g^2)^2, where g = 1+x*g^3 is the g.f. of A001764.

Terms

    a(0) =1a(1) =5a(2) =33a(3) =226a(4) =1566a(5) =10902a(6) =76047a(7) =530876a(8) =3706626a(9) =25876354a(10) =180589843a(11) =1259827146a(12) =8784898992a(13) =61229779780a(14) =426567021204

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