Expansion of g/(1 + x^3*g), where g = 1+x*g^4 is the g.f. of A002293.

A389372

Expansion of g/(1 + x^3*g), where g = 1+x*g^4 is the g.f. of A002293.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =21a(4) =138a(5) =960a(6) =7033a(7) =53483a(8) =418353a(9) =3344640a(10) =27208776a(11) =224505153a(12) =1874386555a(13) =15805523788a(14) =134415742850

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