188257domain: NAppears in sequencesExpansion of 1/(1+x^2-2*x^3).at n=36A077912Expansion of 1/(1+x^2+2*x^3).at n=36A077963Number of arrays of 2n nondecreasing integers in -4..4 with sum zero and equal numbers greater than zero and less than zero.at n=17A203287