%I #3 Mar 30 2012 18:37:41
%S 0,0,0,0,1,1,2,3,6,9,16,23,36,52,78,111,163,227,322,444,618,841,1151,
%T 1550,2094,2793,3730,4931,6522,8555,11216,14608
%N Record subsequence of b(3k+1), b()=A048142().
%K nonn
%O 0,7
%A _Wouter Meeussen_
