A141902 - OEIS

%I #27 Aug 08 2019 07:57:39

%S 1,2,2,6,24,6,20,180,180,20,70,1120,2520,1120,70,252,6300,25200,25200,

%T 6300,252,924,33264,207900,369600,207900,33264,924,3432,168168,

%U 1513512,4204200,4204200,1513512,168168,3432,12870,823680,10090080,40360320

%N Duplicate of A069466.

%K dead

%O 0,2

%A _Roger L. Bagula_ and _Gary W. Adamson_, Sep 13 2008