A043447 Numbers having three 6's in base 8.

438, 950, 1462, 1974, 2486, 2998, 3126, 3190, 3254, 3318, 3382, 3446, 3462, 3470, 3478, 3486, 3494, 3502, 3504, 3505, 3506, 3507, 3508, 3509, 3511, 3518, 3574, 4022, 4534, 5046, 5558, 6070, 6582, 7094, 7222, 7286, 7350

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base
• look

Links

• Robert Israel, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A007094.

Programs

Maple

filter:= proc(n) numboccur(6, convert(n, base, 8)) = 3 end proc:select(filter, [$1..10000]); # Robert Israel, Nov 27 2024