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A043258
Numbers k such that 7 and 8 occur juxtaposed in the base-10 representation of k but not of k-1.
0
78, 87, 178, 187, 278, 287, 378, 387, 478, 487, 578, 587, 678, 687, 778, 780, 870, 887, 978, 987, 1078, 1087, 1178, 1187, 1278, 1287, 1378, 1387, 1478, 1487, 1578, 1587, 1678, 1687, 1778, 1780, 1870, 1887, 1978, 1987, 2078
OFFSET
1,1
CROSSREFS
Sequence in context: A053083 A246487 A039435 * A044038 A025386 A045193
KEYWORD
nonn,base
STATUS
approved