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%I #15 Nov 04 2018 13:12:11
%S 1,20,4620,12697776,159845400,941432800,158800433792,1895312483064000,
%T 3438271897004237230080,933561026438040,2562849175892544,
%U 640904462719404383808000,1528364130975,2352733350786,959393282698730880000,6142080926952
%N Duplicate of A079759.
%K dead
%O 1,2
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