-5242880

Appears in sequences

• Expansion of (1 - 2*x -x^4)/(1 - 2*x)^2 in powers of x.at n=24A008936
• Triangular sequence of coefficients of characteristic polynomials rational matrices of a type: M(3)= {{0, -3/2, 0}, {-3/2, 0, -3/2}, {0, -3/2, 0}}.at n=38A137949
• Inverse binomial transform of A166517.at n=22A166577