A043224 Numbers k such that 0 and 9 occur juxtaposed in the base-10 representation of k but not of k-1.

90, 109, 190, 209, 290, 309, 390, 409, 490, 509, 590, 609, 690, 709, 790, 809, 890, 900, 990, 1009, 1090, 1109, 1190, 1209, 1290, 1309, 1390, 1409, 1490, 1509, 1590, 1609, 1690, 1709, 1790, 1809, 1890, 1900, 1990, 2009, 2090

Offset

1,1

Links

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

Crossrefs

Sequence in context: A074817 A333745 A366966 * A039401 A044004 A078493

Adjacent sequences: A043221 A043222 A043223 * A043225 A043226 A043227

Keyword

nonn,base

Author

Clark Kimberling

Status

approved