

A085081


Group the natural numbers such that the product of the terms of the nth group has a divisor with the same prime signature as that of the product of the terms of the (n1)th group. (1), (2), (3), (4), (5,6,7,8), (9,10,11,12,13,14),... Sequence contains the product of the terms of the groups.


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1, 2, 3, 4, 1680, 2162160, 586051200, 5967561600, 1220096908800, 33371339479827148800, 10221346459144248675287040000, 1065516759202418135010355181075171069914644480000000
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