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Duplicate of A028263.
0

%I #4 May 11 2007 03:00:00

%S 3,4,4,5,8,5,6,13,13,6,7,19,26,19,7,8,26,45,45,26,8,9,34,71,90,71,34,9

%N Duplicate of A028263.

%K dead

%O 0,1