%I #5 Nov 01 2015 12:27:15
%S 1,2,10,32,227,955,7104
%N Erroneous version of A004028.
%D W. Plesken and T. Schulz, Counting crystallographic groups in low dimensions, Experimental Mathematics, 9 (No. 3, 2000), 407-411.
%K dead
%O 0,2
