41472271

Properties

Appears in sequences

• Triangle defined by T(n,k) = T(n-1,k-1) + Sum_{j=k..n-2} T(n-1,j)*2^j*T(j,k-1) for n>k>0 with T(n,n)=T(n,0)=1, read by rows.at n=47A152795
• Column 2 of triangle A152795.at n=7A152797
• Prime numbersat n=2517679