50631967

Appears in sequences

• Expansion of 1/((1-10x)(1-11x)(1-12x)).at n=6A021021
• Triangle read by rows. T(n, k) = 1 if n = k, otherwise T(n, k) = Sum_{j=0..k-1} (-1)^(j - k - 1) * (n + j + 1)^(n-1) / (j! * (k - 1 - j)!).at n=48A360177