A031472 Numbers whose base-5 representation has 2 more 0's than 4's.

25, 50, 75, 126, 127, 128, 130, 135, 140, 150, 175, 200, 251, 252, 253, 255, 260, 265, 275, 300, 325, 376, 377, 378, 380, 385, 390, 400, 425, 450, 500, 629, 631, 632, 633, 636, 637, 638, 641, 642, 643, 645, 651, 652, 653, 655

Offset

1,1

Links

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

Mathematica

Select[Range[700], DigitCount[#, 5, 0]==DigitCount[#, 5, 4]+2&] (* Harvey P. Dale, Jul 03 2017 *)

Crossrefs

Cf. A007091.

Sequence in context: A023723 A044458 A084646 * A045210 A169860 A224670

Adjacent sequences: A031469 A031470 A031471 * A031473 A031474 A031475

Keyword

nonn,base

Author

Clark Kimberling

Status

approved