443232domain: NAppears in sequencesa(n) = (n-1)(n-4)(n-9)...(n-k^2) where k^2 < n <= (k+1)^2.at n=27A080500a(n) = 6^n*(n^2 - n + 72)/72.at n=7A081912a(n) = (n+1)*(6*n^4 - 51*n^3 + 161*n^2 - 251*n + 251).at n=11A165281Numbers that can be written as the average of two positive cubes in more than one way.at n=19A322102