362151domain: NAppears in sequencesa(n) = n! - n^3.at n=9A007339a(n) = A026568(n,n-1), also a(n) = number of integer strings s(0),...,s(n) counted by A026568 such that s(n)=1.at n=15A026570a(n) = n! - n^(n-6).at n=3A144767