48025domain: NAppears in sequencesNumbers whose base-6 representation has exactly 7 runs.at n=25A043615a(n) = n^3 + (n+1)^2.at n=36A100705Expansion of Product_{k>=0} 1/(1-x^(4*k+1))^3.at n=36A261632Numbers k such that A360331(k) = A360331(k+1).at n=19A360359