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A043416 Numbers having four 5's in base 7. 0
2000, 4401, 6802, 9203, 11604, 12290, 12633, 12976, 13319, 13662, 13760, 13809, 13858, 13907, 13956, 13970, 13977, 13984, 13991, 13998, 14000, 14001, 14002, 14003, 14004, 14006, 14012, 14054, 14348, 16406, 18807 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..31.

MATHEMATICA

Select[Range[20000], DigitCount[#, 7, 5]==4&] (* Harvey P. Dale, May 16 2019 *)

CROSSREFS

Cf. A007093.

Sequence in context: A037029 A048517 A048518 * A125680 A162238 A162239

Adjacent sequences:  A043413 A043414 A043415 * A043417 A043418 A043419

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 28 14:04 EDT 2021. Contains 346334 sequences. (Running on oeis4.)