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Duplicate of A124903.
0

%I #9 Aug 02 2023 15:48:22

%S 2,12,30,240,720,60480,60480,7983360,1108800,518918400,21794572800,

%T 62270208000,87178291200,35568742809600,2,40548366802944000,

%U 304112751022080000,851515702861824000,2534272925184000,5170403347776995328000,51704033477769953280000

%N Duplicate of A124903.

%Y Cf. A124901, A124902.

%K dead

%O 5,1

%A _Artur Jasinski_, Oct 19 2011