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A287892 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 7
5 25
6 88
7 366
8 1583
9 7336
10 34982
11 172384
12 867638
13 4452029
14 23194392
15 122462546
16 653957197
17 3527218134
18 19192275883
19 105248481503
20 581223149532
21 3230039198628
22 18053111982952
23 101426901301489
24 572554846192811
25 3246191706162233
26 18478844801342495

[1,1,1,3,7,25,88,366,1583,7336,34982,172384,
 867638,4452029,23194392,122462546,653957197,
 3527218134,19192275883,105248481503,581223149532,
 3230039198628,18053111982952,101426901301489,
 572554846192811,3246191706162233,
 18478844801342495]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)