%I #1 Dec 11 1999 03:00:00
%S 1,2,3,5,6,7,8,10,11,11,13,14,15,16,17,19,21,22,23,24,26,27,29,30,31,
%T 33,34,35,37,38,39,41,42,43,45,47,48,50,53
%N Erroneous version of A000452.
%K dead
%O 1,2