119303domain: NAppears in sequencesn + sigma(n) + phi(n) is a cube.at n=20A116008Number of length n+3 0..2 arrays with no four elements in a row with pattern abba (with a!=b) and new values 0..2 introduced in 0..2 order.at n=9A243383Nonnegative numbers k such that 3*k + 2 is a cube.at n=23A287335