-2628domain: ZAppears in sequencesa(n)=n^3-(n-1)^3-(n-2)^3-...-1.at n=11A179298Numerator of Sum_{k=0..n} binomial(n,k)*(-1)^k/(k^2+1).at n=6A190948Expansion of 1 - x/(1 - x^3/(1 - x^5/(1 - x^7/(1 - x^9/(1 - ... - x^(2*k-1)/(1 - ...)))))), a continued fraction.at n=49A291874