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A087959 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 6
5 22
6 95
7 463
8 2483
9 14426
10 89799
11 594038
12 4150514
13 30482791
14 234428282
15 1881944298
16 15729230166
17 136566166388
18 1229346044429
19 11454129882773
20 110293243452027
21 1096078120808889
22 11227947692444477
23 118421577443291274
24 1284625091089249880

[1,1,1,2,6,22,95,463,2483,14426,89799,594038,
 4150514,30482791,234428282,1881944298,15729230166,
 136566166388,1229346044429,11454129882773,
 110293243452027,1096078120808889,
 11227947692444477,118421577443291274,
 1284625091089249880]

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Last modified July 27 21:34 EDT 2024. Contains 374651 sequences. (Running on oeis4.)