A043240 Numbers k such that 3 and 4 occur juxtaposed in the base-10 representation of k but not of k-1.

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

Links

Table of n, a(n) for n=1..41.

Crossrefs

Sequence in context: A095419 A232581 A039417 * A044020 A217276 A076772

Adjacent sequences: A043237 A043238 A043239 * A043241 A043242 A043243

Keyword

nonn,base

Author

Clark Kimberling

Status

approved