-4150

Appears in sequences

• Expansion of Im(x/(1 - x - 2*i*x^2)), i=sqrt(-1).at n=19A106202
• Coefficient array for powers of x^2 of polynomials appearing in a generalized Melham conjecture on alternating sums of fifth powers of Chebyshev S polynomials with odd indices.at n=36A220671