Convolution of generalized Catalan numbers A064062 (called C(n;2)).
A115197
Convolution of generalized Catalan numbers A064062 (called C(n;2)).
Terms
- a(0) =1a(1) =2a(2) =7a(3) =32a(4) =169a(5) =974a(6) =5947a(7) =37820a(8) =247885a(9) =1662890a(10) =11362399a(11) =78806936a(12) =553386097a(13) =3926523782a(14) =28108587139a(15) =202764451700
External references
- oeis: A115197