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

1,1

Comments

Subset of A031473. - R. J. Mathar, Oct 20 2008

Links

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

Mathematica

Select[Range[2500], DigitCount[#, 5, 0]==3&&DigitCount[#, 5, 4]==0&] (* Harvey P. Dale, May 25 2016 *)

Crossrefs

Cf. A007091.

Sequence in context: A023724 A084647 A031473 * A045199 A260604 A023079

Adjacent sequences: A045211 A045212 A045213 * A045215 A045216 A045217

Keyword

nonn,base

Author

Clark Kimberling

Status

approved