OFFSET

1,2

COMMENTS

This sequence consists of the terms of A144794 together with those integers of the form 2^k -1.

LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range@ 160, Select[Split@ IntegerDigits[#, 2], Length[#] == 1 && First[#] == 0 &] == {} &] (* Michael De Vlieger, Sep 03 2017 *)

CROSSREFS

KEYWORD

base,nonn

AUTHOR

Leroy Quet, Dec 08 2009

EXTENSIONS

Extended by Ray Chandler, Dec 18 2009

STATUS

approved