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%I #4 Dec 05 2013 19:55:21
%S 1,24,3240,1290240,1126125000,1822853652480,4914543582748800,
%T 20469829379869900800,124583146969045247683200,
%U 1061374990515840000000000000,12232437772393129356474535526400
%N Product of the next n multiples of n.
%F a(n) = n^n * [n(n+1)/2]! / [n(n-1)/2]! - _Lior Manor_ Aug 19 2002
%e a(4) = 10*4 * 9*4 * 8*4 * 7*4 = 1290240
%Y a(n) = A057003(n) * n^n.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Aug 01 2002
%E More terms from _Lior Manor_ Aug 19 2002