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A287583 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 15
5 52
6 187
7 677
8 2439
9 8707
10 30871
11 108696
12 380653
13 1328193
14 4623194
15 16065161
16 55763738
17 193430602
18 670683122
19 2324853720
20 8057594663
21 27923827498
22 96765523944
23 335314355594
24 1161917842116
25 4026187435945
26 13951144657754
27 48341945365173

[1,1,2,5,15,52,187,677,2439,8707,30871,108696,
 380653,1328193,4623194,16065161,55763738,
 193430602,670683122,2324853720,8057594663,
 27923827498,96765523944,335314355594,
 1161917842116,4026187435945,13951144657754,
 48341945365173]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)