33168
domain: N
Appears in sequences
- Sum_{k=2..n} min(k,n-k)*phi(k)*(n-k).at n=32A092274
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 1, 0), (1, -1, 1), (1, 1, -1)}.at n=9A148901
- Triangle read by rows, the coefficients of J. L. Fields generalized Bernoulli polynomials.at n=22A220412
- Triangle read by rows. The Faulhaber numbers. F(0, k) = 1 and otherwise F(n, k) = (n + 1)!*(-1)^(k+1)*Sum_{j=0..floor((k-1)/2)} C(2*k-2*j, k+1)*C(2*n+1, 2*j+1) * Bernoulli(2*n-2*j) / (k - j).at n=23A354042
- Triangle of coefficients T(n,k) of x^n*y^k in g.f. A(x,y) where A(x,y) = A(x^3 + 3*x*y*A(x,y)^3, y) / A(x^2 + 2*x*y*A(x,y)^2, y), read by rows.at n=42A385910