A044009 Numbers n such that 1 and 6 occur juxtaposed in the base 10 representation of n but not of n+1.

16, 61, 116, 169, 216, 261, 316, 361, 416, 461, 516, 561, 619, 661, 716, 761, 816, 861, 916, 961, 1016, 1061, 1116, 1169, 1216, 1261, 1316, 1361, 1416, 1461, 1516, 1561, 1699, 1716, 1761, 1816, 1861, 1916, 1961, 2016, 2061