OFFSET
1,2
LINKS
Lars Blomberg, Table of n, a(n) for n = 1..830
EXAMPLE
279 is (10113)_4 which shift-rotates into (01131)_4 = 93 = 279/3, so 279 qualifies as a(3).
CROSSREFS
KEYWORD
nonn,base
AUTHOR
R. J. Mathar, Mar 30 2009, Nov 11 2014
EXTENSIONS
a(12)-a(25) from Lars Blomberg, Feb 04 2015
STATUS
approved