A141729 Numbers of 1's in the rows of triangle A141727.
1, 2, 3, 3, 6, 4, 5, 8, 8, 8, 8, 10, 9, 12, 12, 15, 18, 14, 16, 16, 16, 16, 18, 16, 17, 26, 20, 27, 24, 24, 25, 32, 32, 30, 30, 36, 28, 32, 36, 34, 26, 32, 28, 34, 30, 36, 36, 42, 33, 46, 42, 41, 38, 44, 41, 50, 42, 56, 44, 58, 45, 60, 52, 63, 66, 58, 62, 62, 52, 56, 64, 64, 46
Offset: 1