37902domain: NAppears in sequencesFloor-Sqrt transform of idempotent endomap numbers (A000248).at n=13A192678Expansion of Product_{k>=0} 1/(1-x^(3*k+1))^3.at n=29A261631Numbers k such that A383844(k) and A383844(k+1) are nonzero.at n=50A384310