-5400

Appears in sequences

• Expansion of 1 / Sum_{n=-oo..oo} x^(n^2).at n=19A004402
• Triangle formed by coefficients of numerator polynomials defined by iterating f(u,v) = 1/u - x*v applied to a list of elements {1,2,3,4,...}.at n=40A053495
• Values d for infinite sequence x^3-y^2 = d with increasing coefficient r=sqrt(x)/|d| or family of solutions Mordell curve with extension sqrt(2).at n=1A200938
• Triangle read by rows, the coefficients of the polynomials generating the columns of A287316.at n=26A287314
• Coefficients in expansion of E_4^(5/8).at n=2A289309
• Irregular triangle read by rows: T(n,k) = [x^k]p_n(x), where (p_n(x)/x^(3n)) * exp(-1/x^2) is the n-th derivative of exp(-1/x^2), n >= 1, 0 <= k <= 2*n-2.at n=22A344031