59460domain: NAppears in sequencesNumber of nonnegative solutions of x1^2 + x2^2 + ... + x10^2 = n.at n=30A045852Numbers k such that the k-th triangular number plus the reverse of k gives a square.at n=9A113799Numbers k such that Bernoulli number B_{k} has denominator 56786730.at n=11A295598