A043215 Numbers k such that 7 and 8 occur juxtaposed in the base-9 representation of k but not of k-1.

71, 79, 152, 160, 233, 241, 314, 322, 395, 403, 476, 484, 557, 565, 638, 711, 727, 800, 808, 881, 889, 962, 970, 1043, 1051, 1124, 1132, 1205, 1213, 1286, 1294, 1367, 1440, 1456, 1529, 1537, 1610, 1618, 1691, 1699, 1772, 1780

Offset

1,1

Links

Table of n, a(n) for n=1..42.

Crossrefs

Cf. A007095.

Sequence in context: A033245 A139914 A039392 * A043995 A134936 A118217

Adjacent sequences: A043212 A043213 A043214 * A043216 A043217 A043218

Keyword

nonn,base

Author

Clark Kimberling

Status

approved