-18144

Appears in sequences

• Sum_{k=1..2n-1} J(4*n,k)*k^2, where J(i,j) is the Jacobi symbol.at n=41A097544
• Triangle T(n, k) = n! * (Harmonic number(n-k) - Harmonic number(k)), read by rows.at n=41A157525
• Triangle read by rows of coefficients of polynomials generated by the Han/Nekrasov-Okounkov formula.at n=22A234937
• Expansion of phi(x)^6 * phi(-x)^2 in powers of x where phi() is a Ramanujan theta function.at n=20A291124