A045214 Numbers whose base-5 representation contains exactly three 0's and no 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[2500],DigitCount[#,5,0]==3&&DigitCount[#,5,4]==0&] (* Harvey P. Dale, May 25 2016 *)
Comments