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A027811 as a simple table

n a(n)
1 6
2 63
3 336
4 1260
5 3780
6 9702
7 22176
8 46332
9 90090
10 165165
11 288288
12 482664
13 779688
14 1220940
15 1860480
16 2767464
17 4029102
18 5753979
19 8075760
20 11157300
21 15195180
22 20424690
23 27125280
24 35626500
25 46314450
26 59638761
27 76120128

[6,63,336,1260,3780,9702,22176,46332,90090,165165,
 288288,482664,779688,1220940,1860480,2767464,
 4029102,5753979,8075760,11157300,15195180,
 20424690,27125280,35626500,46314450,59638761,
 76120128]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)