Many excellent designs for a new banner were submitted. We will use the best of them in rotation.
1,1
Table of n, a(n) for n=1..12.
a(3n+1)= A066509(n+1). a(3n+2)=1+a(3n+1). a(3n+3)=1+a(3n+2). - R. J. Mathar, Nov 27 2011
Sequence in context: A106815 A233975 A209853 * A066509 A205301 A030646
Adjacent sequences: A165933 A165934 A165935 * A165937 A165938 A165939
nonn
Richard L. Peterson (rl_pete(AT)yahoo.com), Oct 01 2009
approved