219192

Appears in sequences

• Add 1, multiply by 1, add 2, multiply by 2, etc.; start with 0.at n=16A019461
• a(n) = n*(n + a(n-1)) with a(0)=0.at n=8A030297
• Triangle read by rows: T(i,j) = (T(i-1,j) + i)*i.at n=28A121682
• Triangle read by rows, T(n, k) = S(k, n) with S(n, n) = 1, S(0, n) = 0 and otherwise S(k,n) = Sum_{i=1..n-k+1} k^i*S(k-1, n-i), for n>=0 and 0<=k<=n.at n=53A269955
• Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) = n! * Sum_{j=0..n} j^k/j!.at n=63A337085