9160905600
domain: N
Appears in sequences
- a(n) = Product_{k = 1..n-1} (9*k - 3).at n=7A147630
- Triangle T(n, k) read by rows: row n gives the coefficients of the numerator polynomials of the o.g.f. of the (n+1)-th diagonal of the Sheffer triangle A282629 (S2[3,1] generalized Stirling2), for n >= 0.at n=35A290316
- Table T(n,k) read by upward antidiagonals. T(n,k) = Product_{i=1..n} Sum_{j=1..k} (i-1)*k+j.at n=38A333445