7352640
domain: N
Appears in sequences
- a(n) = Product_{i=0..n-1} (7*i+2).at n=6A084947
- Septuple factorial, 7-factorial, n!7, n!!!!!!!, a(n) = n*a(n-7) if n > 1, else 1.at n=37A114799
- Triangle read by rows: t(n,m)=If[m == 0, 1, Product[m*k + 2, {k, 0, n}]].at n=33A153190
- Worpitzky form polynomials for the {1,16,1} A142462 sequence: p(x,n) = Sum_{k=1..n} A(n, k)*binomial(x + k - 1, n - 1).at n=27A168296