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A044693
Numbers n such that string 6,7 occurs in the base 9 representation of n but not of n+1.
0
61, 142, 223, 304, 385, 466, 547, 557, 628, 709, 790, 871, 952, 1033, 1114, 1195, 1276, 1286, 1357, 1438, 1519, 1600, 1681, 1762, 1843, 1924, 2005, 2015, 2086, 2167, 2248, 2329, 2410, 2491, 2572, 2653, 2734, 2744, 2815
OFFSET
1,1
CROSSREFS
Sequence in context: A142172 A168023 A044312 * A185662 A140726 A051646
KEYWORD
nonn,base
STATUS
approved