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A003015 as a simple table

n a(n)
1 1
2 120
3 210
4 1540
5 3003
6 7140
7 11628
8 24310
9 61218182743304701891431482520

[1,120,210,1540,3003,7140,11628,24310,
 61218182743304701891431482520]

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Last modified November 21 12:11 EST 2019. Contains 329370 sequences. (Running on oeis4.)