login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A043428
Numbers having four 1's in base 8.
0
585, 4169, 4617, 4673, 4680, 4682, 4683, 4684, 4685, 4686, 4687, 4689, 4697, 4705, 4713, 4721, 4729, 4745, 4809, 4873, 4937, 5001, 5065, 5193, 5705, 6217, 6729, 7241, 7753, 8777, 12873, 16969, 21065, 25161, 29257, 32841
OFFSET
1,1
MATHEMATICA
Select[Range[33000], DigitCount[#, 8, 1]==4&] (* Harvey P. Dale, Aug 12 2017 *)
CROSSREFS
Cf. A007094.
Sequence in context: A252195 A037995 A250627 * A038486 A024380 A258331
KEYWORD
nonn,base
STATUS
approved