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
Offset: 1
Crossrefs
Cf. A007091.
Programs
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Mathematica
Select[Range[2300],DigitCount[#,5,0]==DigitCount[#,5,4]+3&] (* Harvey P. Dale, Jul 23 2012 *)