992000domain: NAppears in sequencesExpansion of e.g.f. arctan(sinh(x) * exp(x)).at n=9A012520Number of (n+4)X5 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock.at n=8A186601Numbers n such that n = k/d(k) has exactly 5 solutions, where d(k) = number of divisors of k.at n=8A217126