Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #3 May 11 2007 03:00:00
%S 1,81,400,32400,1705636,3648100,138156516,295496100,1055340196,
%T 1476326929
%N Duplicate of A008848.
%K dead
%O 1,2