OFFSET
1,1
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..10000
EXAMPLE
3 11
6 110
12 1100
13 1101
24 11000
25 11001
26 11010
27 11011
48 110000
49 110001
...
MATHEMATICA
Join[{3}, Select[Range[4, 250], Take[IntegerDigits[#, 2], 3]=={1, 1, 0}&]] (* Harvey P. Dale, Oct 15 2022 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
N. J. A. Sloane, Sep 13 2018
STATUS
approved