a(n) = (C(2p,p)-2) / p^3, where p = prime(n).
A087754
a(n) = (C(2p,p)-2) / p^3, where p = prime(n).
Terms
- a(0) =2a(1) =10a(2) =530a(3) =4734a(4) =474986a(5) =5153122a(6) =676701794
External references
- oeis: A087754
A087754
a(n) = (C(2p,p)-2) / p^3, where p = prime(n).