The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #3 Mar 30 2012 18:55:53
%S 3,2,4,4,2,2,4,2,2,4,4,4,2,2,4,4,4,2,2,4,2,2,4,2,2,4,4,4,2,2,4,2,2,4,
%T 2,2,4,4,4,2,2,4,4,4,2,2,4,4,4,2,2,4,2,2,4,2,2,4,4,4,2,2,4,4,4,2,2,4,
%U 4,4,2,2,4,2,2,4,2,2,4,4,4,2,2,4,2,2,4,2,2,4,4,4,2,2,4,2,2,4,2
%N a(n) = s(2n) - s(2n-1), where s( ) is sequence A023629.
%K nonn
%O 1,1
%A _Clark Kimberling_