260649

Appears in sequences

• Triangle read by rows: T(i,j) for the recurrence T(i,j) = (T(i-1,j) + 1)*i.at n=38A121662
• a(n) = n*( a(n-1)+1 ), initialized by a(1) = -1.at n=8A224869
• Triangle read by rows: T(m,n) = Sum_{i=1..n} P(m,i) where P(m,n) = m!/(m-n)! is the number of permutations of m items taken n at a time, for 1 <= n <= m.at n=42A285268