A031473 - OEIS

A031473

Numbers whose base-5 representation has 3 more 0's than 4's.

125, 250, 375, 626, 627, 628, 630, 635, 640, 650, 675, 700, 750, 875, 1000, 1251, 1252, 1253, 1255, 1260, 1265, 1275, 1300, 1325, 1375, 1500, 1625, 1876, 1877, 1878, 1880, 1885, 1890, 1900, 1925, 1950, 2000, 2125, 2250

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

MATHEMATICA

Select[Range[2300], DigitCount[#, 5, 0]==DigitCount[#, 5, 4]+3&] (* Harvey P. Dale, Jul 23 2012 *)

CROSSREFS

Cf. A007091.

Sequence in context: A043351 A023724 A084647 * A045214 A045199 A260604

Adjacent sequences: A031470 A031471 A031472 * A031474 A031475 A031476

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved