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A331665 as a simple table

n a(n)
1 1
2 2
3 6
4 30
5 210
6 2310
7 3570
8 4830
9 11550
10 30030
11 43890
12 111930
13 131670
14 510510
15 690690
16 870870
17 1021020
18 2459730
19 9699690
20 13123110
21 17160990
22 40750710
23 146006070
24 223092870
25 340510170
26 358888530
27 688677990
28 1462190730
29 2445553110
30 2911018110
31 6469693230

[1,2,6,30,210,2310,3570,4830,11550,30030,43890,
 111930,131670,510510,690690,870870,1021020,
 2459730,9699690,13123110,17160990,40750710,
 146006070,223092870,340510170,358888530,688677990,
 1462190730,2445553110,2911018110,6469693230]

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Last modified April 19 02:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)