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A043240
Numbers k such that 3 and 4 occur juxtaposed in the base-10 representation of k but not of k-1.
0
34, 43, 134, 143, 234, 243, 334, 340, 430, 443, 534, 543, 634, 643, 734, 743, 834, 843, 934, 943, 1034, 1043, 1134, 1143, 1234, 1243, 1334, 1340, 1430, 1443, 1534, 1543, 1634, 1643, 1734, 1743, 1834, 1843, 1934, 1943, 2034
OFFSET
1,1
CROSSREFS
Sequence in context: A095419 A232581 A039417 * A044020 A217276 A076772
KEYWORD
nonn,base
STATUS
approved