30156

Appears in sequences

• Polynomial extrapolation of 2, 3, 5, 7, 11.at n=24A061165
• a(n) = Sum_{k + l*m <= n} (k + l*m), with 0 <= k,l,m <= n.at n=24A106846
• G.f. satisfies: 5*A(x) = 4 + 4*x + A(x)^3, starting with [1,2,6].at n=6A120592
• G.f. A(x) satisfies: A(x) = 1 + x*A(x)*(1 + 2*x*A(x))/(1 - x*A(x) - x^2*A(x)^2).at n=8A307411
• Triangle read by rows: T(n,k) is the number of labeled threshold graphs on vertex set [n] in which k dominating vertices are added in standard iterative construction, n >= 1 and 0 <= k <= n-1.at n=30A350060
• Triangle read by rows: T(n,k) is the number of labeled threshold graphs on vertex set [n] in which k dominating vertices are added in standard iterative construction, n >= 1 and 0 <= k <= n-1.at n=33A350060