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A043636 Numbers whose base-9 representation has exactly 7 runs. 2
538084, 538085, 538086, 538087, 538088, 538089, 538090, 538091, 538101, 538102, 538104, 538105, 538106, 538107, 538108, 538109, 538110, 538111, 538112, 538114, 538115, 538116, 538117, 538118, 538119, 538120, 538121 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..27.

MATHEMATICA

Select[Range[550000], Length[Split[IntegerDigits[#, 9]]]==7&] (* Harvey P. Dale, Mar 11 2015 *)

CROSSREFS

Cf. A007095.

Sequence in context: A210124 A237323 A251355 * A082813 A204345 A269323

Adjacent sequences:  A043633 A043634 A043635 * A043637 A043638 A043639

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 16 13:05 EST 2022. Contains 350376 sequences. (Running on oeis4.)