40055domain: NAppears in sequencesNumber of partitions of n, with three kinds of 1,2 and 3 and two kinds of 4,5,6,....at n=16A000715Powers of cube root of 18 rounded down.at n=11A018027Binomial transform of [1, 4, 6, 4, 1, 1, -1, 1, -1, 1, ...].at n=26A140227