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A043427
Numbers having three 1's in base 8.
0
73, 521, 577, 584, 586, 587, 588, 589, 590, 591, 593, 601, 609, 617, 625, 633, 649, 713, 777, 841, 905, 969, 1097, 1609, 2121, 2633, 3145, 3657, 4105, 4161, 4168, 4170, 4171, 4172, 4173, 4174, 4175, 4177, 4185, 4193, 4201, 4209
OFFSET
1,1
MATHEMATICA
Select[Range[4500], DigitCount[#, 8, 1]==3&] (* Harvey P. Dale, Apr 25 2018 *)
CROSSREFS
Cf. A007094.
Sequence in context: A201961 A142145 A227340 * A038485 A077722 A235465
KEYWORD
nonn,base
STATUS
approved