a(n) = ((7*n+9)(!^7))/9(!^7), related to A034829 (((7*n+2)(!^7))/2 sept-, or 7-factorials).
A053105
a(n) = ((7*n+9)(!^7))/9(!^7), related to A034829 (((7*n+2)(!^7))/2 sept-, or 7-factorials).
Terms
- a(0) =1a(1) =16a(2) =368a(3) =11040a(4) =408480a(5) =17973120a(6) =916629120a(7) =53164488960
External references
- oeis: A053105