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A087216 as a simple table

n a(n)
0 1
1 30
2 6930
3 3063060
4 2007835830
5 1746817172100
6 1895296631728500
7 2464427134570401000
8 3735455429225085315750
9 6467318499798364376668500
10 12591869119107415441373569500
11 27232778758505946668207019855000

[1,30,6930,3063060,2007835830,1746817172100,
 1895296631728500,2464427134570401000,
 3735455429225085315750,6467318499798364376668500,
 12591869119107415441373569500,
 27232778758505946668207019855000]

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Last modified June 20 04:02 EDT 2013. Contains 226418 sequences.