G.f.: exp( Sum_{n>=1} C(6n-1,2n-1)*x^n/n ).

A182960

G.f.: exp( Sum_{n>=1} C(6n-1,2n-1)*x^n/n ).

Terms

    a(0) =1a(1) =5a(2) =95a(3) =2496a(4) =76063a(5) =2524161a(6) =88534548a(7) =3228482908a(8) =121171012431

External references