81285120
domain: N
Appears in sequences
- a(n) = 10*(n+1)^3*(n+2)*(5*n+7)^2.at n=7A109120
- Triangle T(n, k, q) = n!*(n+1)!*q^k/((n-k)!(n-k+1)!) if floor(n/2) > k-1, otherwise n!*(n+1)!*q^(n-k)/(k!*(k+1)!) for q = 2, read by rows.at n=40A174450
- Number of longest paths in the stacked book graph S_{n+1} square P_n.at n=7A307461
- Sum of the divisors of the primorial inflation of n.at n=37A337203