142868domain: NAppears in sequencesRevert transform of (-1 + 3x - 2x^2 + x^3)/(2x - 1).at n=10A049135Number of 5-tuples (v1,v2,v3,v4,v5) of nonnegative integers less than n such that v1 <= v4, v1 <= v5, v2 <= v4, v2 <= v5 and v3 <= v4.at n=15A085463Numbers that are primitive Zumkeller, but not primitive non-deficient.at n=36A378657