-3668

Appears in sequences

• Array of coefficients of characteristic polynomials of M_n, the n X n matrix with entries m_(i,j) = i mod j.at n=40A078924
• Triangle of trinomial logarithmic coefficients: A027907(n,k) = Sum_{i=0..k} T(k,i)*n^i/k!.at n=39A136590
• Column 3 of triangle A136590.at n=5A136593
• Triangle formed by coefficients of the expansion of p(x, n), where p(x,n) = (1 + 2*x - x^2)^(n + 1)*Sum_{j >= 0} (j+1)^n*(-2*x + x^2)^j.at n=31A156901
• G.f. A(x) satisfies A(x) = 1 + x * A(x) / A(x^2).at n=38A218033
• Expansion of Product_{k>0} theta_4(q^k)/theta_3(q^k), where theta_3() and theta_4() are the Jacobi theta functions.at n=21A320970