OFFSET
1,3
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
MAPLE
map(convert, select(n -> Bits:-And(2*n, 9*n)=0, [$0..1000]), binary); # Robert Israel, Jun 20 2018
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, Feb 01 2006
STATUS
approved