2235340800domain: NAppears in sequencesE.g.f. (2-3x)/((1-x)(1-x-x^2)).at n=11A052661a(n) = n! * number of partitions of n.at n=11A053529a(1) = 1, a(n) = a(n-1) if n == 1 (mod 4), otherwise a(n) = n * a(n-1) for n >= 2.at n=14A123145