(c(p)-2)/p where p runs through the primes and where c(p) denotes the p-th Catalan number = binomial(2*p,p)/(p+1).

A082179

(c(p)-2)/p where p runs through the primes and where c(p) denotes the p-th Catalan number = binomial(2*p,p)/(p+1).

Terms

    a(0) =0a(1) =1a(2) =8a(3) =61a(4) =5344a(5) =57146a(6) =7626164a(7) =93013852a(8) =14915635376

External references