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A002585 as a simple table

n a(n)
1 3
2 7
3 31
4 211
5 2311
6 509
7 277
8 27953
9 703763
10 34231
11 200560490131
12 676421
13 11072701
14 78339888213593
15 13808181181
16 18564761860301
17 19026377261
18 525956867082542470777
19 143581524529603
20 2892214489673
21 16156160491570418147806951
22 96888414202798247
23 1004988035964897329167431269

[3,7,31,211,2311,509,277,27953,703763,34231,
 200560490131,676421,11072701,78339888213593,
 13808181181,18564761860301,19026377261,
 525956867082542470777,143581524529603,
 2892214489673,16156160491570418147806951,
 96888414202798247,1004988035964897329167431269]

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Last modified April 24 03:00 EDT 2024. Contains 371917 sequences. (Running on oeis4.)