160080

Appears in sequences

• A triangle sequence of the form:q=2:t(n,m,q)=Sum[q^i*Floor[Eulerian[n + 1, m]/2^i], {i, 0, 10}].at n=38A174039
• A triangle sequence of the form:q=2:t(n,m,q)=Sum[q^i*Floor[Eulerian[n + 1, m]/2^i], {i, 0, 10}].at n=42A174039
• a(n) = n^4 + 4*n.at n=20A180354
• Number T(n,k) of colored set partitions of [n] where elements of subsets have distinct colors and exactly k colors are used; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=25A323128
• G.f. A(x) satisfies A(x) = 1 + x^4*(1+x)*A(x)^4.at n=28A376546