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 * A242606 A066509 A205301

Adjacent sequences: A165933 A165934 A165935 * A165937 A165938 A165939

nonn

Richard L. Peterson (rl_pete(AT)yahoo.com), Oct 01 2009

approved