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A039404 Numbers n such that representation in base 10 has same nonzero number of 1's and 4's. 0
14, 41, 104, 124, 134, 140, 142, 143, 145, 146, 147, 148, 149, 154, 164, 174, 184, 194, 214, 241, 314, 341, 401, 410, 412, 413, 415, 416, 417, 418, 419, 421, 431, 451, 461, 471, 481, 491, 514, 541, 614, 641, 714, 741, 814, 841, 914, 941, 1004, 1024 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..50.

MATHEMATICA

Select[Range[1100], DigitCount[#, 10, 1]==DigitCount[#, 10, 4]>0&] (* Harvey P. Dale, Jun 09 2016 *)

CROSSREFS

Sequence in context: A105869 A216298 A056034 * A043227 A044007 A199710

Adjacent sequences:  A039401 A039402 A039403 * A039405 A039406 A039407

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified July 23 14:07 EDT 2019. Contains 325254 sequences. (Running on oeis4.)