A043910 Numbers k such that 4 and 5 occur juxtaposed in the base-6 representation of k but not of k+1.

29, 34, 65, 70, 101, 106, 137, 142, 179, 209, 214, 245, 250, 281, 286, 317, 322, 353, 358, 395, 425, 430, 461, 466, 497, 502, 533, 538, 569, 574, 611, 641, 646, 677, 682, 713, 718, 749, 754, 785, 790, 827, 857, 862, 893, 898

Offset

1,1

Links

Table of n, a(n) for n=1..46.

Mathematica

Select[Range[1000], MemberQ[Sort/@Partition[IntegerDigits[#, 6], 2, 1], {4, 5}]&& !MemberQ[Sort/@Partition[IntegerDigits[#+1, 6], 2, 1], {4, 5}]&] (* Harvey P. Dale, Apr 12 2011 *)

Crossrefs

Cf. A007092.

Sequence in context: A102527 A039307 A043130 * A278329 A172413 A134254

Adjacent sequences: A043907 A043908 A043909 * A043911 A043912 A043913

Keyword

nonn,base

Author

Clark Kimberling

Status

approved