A039342 Numbers whose base-8 representation has the same nonzero number of 2's and 3's.

19, 26, 83, 90, 131, 139, 152, 153, 156, 157, 158, 159, 163, 171, 179, 187, 194, 202, 208, 209, 212, 213, 214, 215, 226, 234, 242, 250, 275, 282, 339, 346, 403, 410, 467, 474, 531, 538, 595, 602, 643, 651, 664, 665, 668, 669, 670, 671, 675, 683, 691, 699

Offset

1,1

Links

Table of n, a(n) for n=1..52.

Mathematica

okQ[n_]:=Module[{idn8=IntegerDigits[n, 8], c2}, c2=Count[idn8, 2]; c2>0&&c2==Count[idn8, 3]]
Select[Range[750], okQ] (* Harvey P. Dale, Dec 17 2010 *)
Select[Range[700], DigitCount[#, 8, 2]==DigitCount[#, 8, 3]>0&] (* Harvey P. Dale, Apr 13 2019 *)

Crossrefs

Cf. A007094, A039062.

Sequence in context: A066125 A181691 A390820 * A043165 A043945 A274685

Adjacent sequences: A039339 A039340 A039341 * A039343 A039344 A039345

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved