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Duplicate of A052037.
0

%I #4 Feb 27 2009 03:00:00

%S 1,1,1,1,1,1,1,1,2,1,11,10,9,8,7,6,5,4,3,2,1,11,10,9,8,7,6,5,4,3,2,1

%N Duplicate of A052037.

%K dead

%O 1,9