A358636 Number of partitions of n into at most 3 distinct prime powers (including 1).
1, 1, 1, 2, 2, 3, 3, 4, 5, 6, 6, 7, 9, 9, 10, 9, 12, 11, 12, 12, 15, 14, 15, 14, 17, 16, 17, 17, 21, 19, 21, 20, 25, 22, 25, 24, 28, 27, 27, 26, 29, 29, 28, 31, 32, 30, 31, 32, 33, 35, 34, 34, 37, 37, 34, 37, 38, 39, 37, 41, 37, 44, 38, 40, 41, 44, 38, 47, 43, 46, 43, 50
Offset: 0