1272625domain: NAppears in sequencesExpansion of 1/(1-x^3-x^4-x^5-x^6).at n=48A017819Denominators of continued fraction for alternating factorial.at n=16A056922a(1) = 1, a(n+1) = a(n) + n*(a(1) + a(2) + ... + a(n)).at n=8A093935