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A043415 Numbers having three 5's in base 7. 0
285, 628, 971, 1314, 1657, 1755, 1804, 1853, 1902, 1951, 1965, 1972, 1979, 1986, 1993, 1995, 1996, 1997, 1998, 1999, 2001, 2007, 2049, 2343, 2686, 3029, 3372, 3715, 4058, 4156, 4205, 4254, 4303, 4352, 4366, 4373, 4380 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..37.

MATHEMATICA

Select[Range[5000], DigitCount[#, 7, 5]==3&] (* Harvey P. Dale, Apr 06 2015 *)

CROSSREFS

Cf. A007093.

Sequence in context: A093228 A339681 A249954 * A288037 A105921 A209311

Adjacent sequences:  A043412 A043413 A043414 * A043416 A043417 A043418

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 24 22:46 EDT 2021. Contains 347651 sequences. (Running on oeis4.)