134928domain: NAppears in sequencesNumber of permutations of 2 indistinguishable copies of 1..n arranged in a circle with exactly 3 adjacent element pairs in decreasing order.at n=4A151584Numbers divisible by at least five of their digits, different and >1.at n=22A187533Expansion of e.g.f. (1 + x * (exp(x) - 1))^2.at n=12A377646