a(n) = ((6*n+7)(!^6))/7, related to A008542 ((6*n+1)(!^6) sextic, or 6-factorials).
A053100
a(n) = ((6*n+7)(!^6))/7, related to A008542 ((6*n+1)(!^6) sextic, or 6-factorials).
Terms
- a(0) =1a(1) =13a(2) =247a(3) =6175a(4) =191425a(5) =7082725a(6) =304557175a(7) =14923301575a(8) =820781586625
External references
- oeis: A053100