A044109 Numbers n such that string 1,1 occurs in the base 6 representation of n but not of n-1.

7, 42, 79, 115, 151, 187, 223, 252, 295, 331, 367, 403, 439, 474, 511, 547, 583, 619, 655, 690, 727, 763, 799, 835, 871, 906, 943, 979, 1015, 1051, 1087, 1122, 1159, 1195, 1231, 1267, 1303, 1338, 1375, 1411, 1447, 1483, 1512