%I #18 Feb 15 2020 10:39:25
%S 1,1,10,190,5320,196840,9054640,498005200,31872332800,2326680294400,
%T 190787784140800,17361688356812800,1736168835681280000,
%U 189242403089259520000,22330603564532623360000
%N Duplicate of A045756.
%K dead
%O 0,3
