498542

Appears in sequences

• T(n,k) = Sum_{i=0..k} (-1)^(k-i)*binomial(k,i)*A000670(n-k+i).at n=37A122101
• Triangle of F(n,r) of r-geometric numbers, 1 <= r <= n.at n=29A219374
• 2-Fubini numbers.at n=6A232472
• Number of ordered set partitions of [n] such that for each block b the smallest integer interval containing b has at most seven elements.at n=8A276897