A039417 Numbers whose base-10 representation has the same nonzero number of 3's and 4's.

34, 43, 134, 143, 234, 243, 304, 314, 324, 340, 341, 342, 345, 346, 347, 348, 349, 354, 364, 374, 384, 394, 403, 413, 423, 430, 431, 432, 435, 436, 437, 438, 439, 453, 463, 473, 483, 493, 534, 543, 634, 643, 734, 743, 834, 843, 934, 943, 1034, 1043

Offset

1,1

Links

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

Mathematica

Select[Range[1100], DigitCount[#, 10, 3]==DigitCount[#, 10, 4]>0&] (* Harvey P. Dale, Feb 03 2012 *)

Crossrefs

Sequence in context: A320703 A095419 A232581 * A043240 A044020 A217276

Adjacent sequences: A039414 A039415 A039416 * A039418 A039419 A039420

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved