%I #3 Mar 30 2012 17:37:05
%S 2,2,24,366,7980,212880,6974520,267915690,11862673620,594440826420,
%T 33270303029040,2057075448923880,139254109289895600,
%U 10243988810221846680,813714967541542706640
%N Doubles (index 2+) under "CHJ" (necklace, identity, labeled) transform.
%K nonn
%O 1,1
%A _Christian G. Bower_