a(n) = ((8*n+9)(!^8))/9, related to A045755 ((8*n+1)(!^8) octo- or 8-factorials).
A053114
a(n) = ((8*n+9)(!^8))/9, related to A045755 ((8*n+1)(!^8) octo- or 8-factorials).
Terms
- a(0) =1a(1) =17a(2) =425a(3) =14025a(4) =575025a(5) =28176225a(6) =1606044825a(7) =104392913625
External references
- oeis: A053114