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A043410 Numbers having two 4's in base 7. 0
32, 81, 130, 179, 200, 207, 214, 221, 224, 225, 226, 227, 229, 230, 235, 242, 277, 326, 375, 424, 473, 522, 543, 550, 557, 564, 567, 568, 569, 570, 572, 573, 578, 585, 620, 669, 718, 767, 816, 865, 886, 893, 900, 907, 910, 911 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[1000], DigitCount[#, 7, 4]==2&] (* Harvey P. Dale, Jul 19 2015 *)

CROSSREFS

Cf. A007093.

Sequence in context: A234133 A203447 A340701 * A044170 A044551 A256810

Adjacent sequences:  A043407 A043408 A043409 * A043411 A043412 A043413

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 25 10:03 EST 2022. Contains 350565 sequences. (Running on oeis4.)