A017983 Powers of cube root of 3 rounded to nearest integer.

1, 1, 2, 3, 4, 6, 9, 13, 19, 27, 39, 56, 81, 117, 168, 243, 350, 505, 729, 1051, 1516, 2187, 3154, 4549, 6561, 9463, 13647, 19683, 28388, 40942, 59049, 85163, 122827, 177147, 255490, 368481, 531441, 766471