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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Duplicate of A056788.
0

%I #3 Nov 10 2007 03:00:00

%S 2,5,31,283,3381,49781,870199,17600759,404197705,10387420489

%N Duplicate of A056788.

%K dead

%O 1,1