-387420488domain: ZAppears in sequencesa(n) = 1 - n^6.at n=27A024004a(n) = 1 - n^9.at n=9A024007Expansion of 1/((1 - x) * ((1 - x)^3 + x^3)).at n=34A307395Expansion of 1/((1 - x) * ((1 - x)^3 + x^3)).at n=35A307395a(n) = a^a - b^b + c^c - ... -+ d^d where the decimal expansion of n is abc...d.at n=19A344658