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%I #3 May 20 2014 14:52:32
%S 1,945,55,23,21,20,20,20,20,20,20,20,20,20,20
%N Number of ways to split 1, 2, 3, ..., 5n into 5 arithmetic progressions each with n terms.
%Y Cf. A104429-A104437, A104439-A104443.
%K nonn
%O 1,2
%A _Jonas Wallgren_, Mar 17 2005