A045167 Numbers whose base-5 representation contains exactly two 0's and two 1's.

126, 130, 150, 632, 633, 634, 636, 641, 646, 652, 653, 654, 660, 665, 670, 676, 680, 701, 705, 726, 730, 752, 753, 754, 760, 765, 770, 800, 825, 850, 876, 880, 900, 1001, 1005, 1025, 1126, 1130, 1150, 1256, 1276, 1280, 1376, 1380, 1400, 1881, 1901, 1905, 2001

Offset

1,1

Links

Table of n, a(n) for n=1..49.

Mathematica

Select[Range[1500], DigitCount[#, 5, 0]==DigitCount[#, 5, 1]==2&] (* Harvey P. Dale, Apr 21 2017 *)

Crossrefs

Cf. A007091.

Sequence in context: A080539 A295787 A308534 * A216063 A114856 A326891

Adjacent sequences: A045164 A045165 A045166 * A045168 A045169 A045170

Keyword

nonn,base

Author

Clark Kimberling

Status

approved