Numerator/2 of hypergeom([n+1/2,1],[n+3],-3).

A227473

Numerator/2 of hypergeom([n+1/2,1],[n+3],-3).

Terms

    a(0) =10a(1) =7a(2) =52a(3) =139a(4) =902a(5) =3299a(6) =104680a(7) =440179a(8) =3868622a(9) =17594777a(10) =329035628a(11) =1573449503a(12) =15334787806a(13) =75928454491

External references