Convolution of generalized Catalan sequence A064063 (named C(3;n)).

A116867

Convolution of generalized Catalan sequence A064063 (named C(3;n)).

Terms

    a(0) =1a(1) =2a(2) =9a(3) =58a(4) =446a(5) =3792a(6) =34369a(7) =325538a(8) =3184206a(9) =31917772a(10) =326156474a(11) =3385065348a(12) =35585008816a(13) =378116619692

External references