Denominator/27 of hypergeom([n+1/2,1],[n+3],-3).

A227474

Denominator/27 of hypergeom([n+1/2,1],[n+3],-3).

Terms

    a(0) =1a(1) =1a(2) =9a(3) =27a(4) =189a(5) =729a(6) =24057a(7) =104247a(8) =938223a(9) =4349943a(10) =82648917a(11) =400529367a(12) =3948075189a(13) =19740375945

External references