A044701 Numbers n such that string 7,6 occurs in the base 9 representation of n but not of n+1.

69, 150, 231, 312, 393, 474, 555, 629, 636, 717, 798, 879, 960, 1041, 1122, 1203, 1284, 1358, 1365, 1446, 1527, 1608, 1689, 1770, 1851, 1932, 2013, 2087, 2094, 2175, 2256, 2337, 2418, 2499, 2580, 2661, 2742, 2816, 2823