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A092760 as a simple table

n a(n)
1 6
2 20
3 72
4 272
5 2808
6 5280
7 12480
8 65792
9 251719680
10 4295032832
11 39462420480
12 2151811200000
13 375297105592320
14 4238621367336960
15 20203489717239782783648394117120
16 84353101158454670682576150304666023245622804480

[6,20,72,272,2808,5280,12480,65792,251719680,
 4295032832,39462420480,2151811200000,
 375297105592320,4238621367336960,
 20203489717239782783648394117120,
 84353101158454670682576150304666023245622804480]

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Last modified May 19 06:41 EDT 2019. Contains 323386 sequences. (Running on oeis4.)