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A259782 as a simple table

n a(n)
0 1
1 0
2 1
3 2
4 9
5 44
6 265
7 1854
8 14833
9 133496
10 1334961
11 11881152
12 95568369
13 709693034
14 4983272692
15 33840285766
16 226398597533
17 1513188564484
18 10205785143785
19 69950515246416
20 489604464034696
21 3472020025514928
22 24798829697691764
23 177618356951602784

[1,0,1,2,9,44,265,1854,14833,133496,1334961,
 11881152,95568369,709693034,4983272692,
 33840285766,226398597533,1513188564484,
 10205785143785,69950515246416,489604464034696,
 3472020025514928,24798829697691764,
 177618356951602784]

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Last modified July 17 23:20 EDT 2024. Contains 374377 sequences. (Running on oeis4.)