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A043626
Numbers whose base-8 representation has exactly 4 runs.
1
520, 522, 523, 524, 525, 526, 527, 528, 529, 531, 532, 533, 534, 535, 536, 537, 538, 540, 541, 542, 543, 544, 545, 546, 547, 549, 550, 551, 552, 553, 554, 555, 556, 558, 559, 560, 561, 562, 563, 564, 565, 567, 568, 569, 570
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[600], Length[Split[IntegerDigits[#, 8]]]==4&] (* Harvey P. Dale, Jun 18 2019 *)
CROSSREFS
Cf. A007094.
Sequence in context: A345845 A051983 A250768 * A345596 A345855 A235274
KEYWORD
nonn,base
STATUS
approved