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A317997 as a simple table

n a(n)
1 1
2 1
3 3
4 8
5 22
6 62
7 184
8 566
9 1779
10 5678
11 18367
12 60091
13 198454
14 660659
15 2214700
16 7469730
17 25330135
18 86308528
19 295349232
20 1014609122
21 3497707471
22 12096300263
23 41955256710
24 145908382056
25 508676792788
26 1777418947825
27 6223737747078
28 21835417474588
29 76747151840311
30 270209860057674
31 952864014673991
32 3365181832760454
33 11901315653535352

[1,1,3,8,22,62,184,566,1779,5678,18367,60091,
 198454,660659,2214700,7469730,25330135,86308528,
 295349232,1014609122,3497707471,12096300263,
 41955256710,145908382056,508676792788,
 1777418947825,6223737747078,21835417474588,
 76747151840311,270209860057674,952864014673991,
 3365181832760454,11901315653535352]

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Last modified April 24 06:03 EDT 2024. Contains 371918 sequences. (Running on oeis4.)