A141730 Numbers of 0's in the rows of triangle A141727.
0, 1, 3, 4, 3, 7, 8, 7, 9, 11, 13, 13, 16, 15, 17, 16, 15, 21, 21, 23, 25, 27, 27, 31, 32, 25, 33, 28, 33, 35, 36, 31, 33, 37, 39, 35, 45, 43, 41, 45, 55, 51, 57, 53, 59, 55, 57, 53, 64, 53, 59, 62, 67, 63, 68, 61, 71, 59, 73, 61, 76, 63, 73, 64, 63, 73, 71, 73, 85, 83, 77, 79
Offset: 1