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A287891 as a simple table

n a(n)
0 1
1 1
2 3
3 11
4 46
5 208
6 1002
7 5012
8 25863
9 136519
10 733902
11 4003475
12 22106155
13 123313289
14 693871975
15 3933700703
16 22447035938
17 128828019447
18 743142630614
19 4306327193744
20 25056121416684
21 146325789652514
22 857393585946194
23 5039223717251954
24 29700183601347111
25 175496470696059267

[1,1,3,11,46,208,1002,5012,25863,136519,733902,
 4003475,22106155,123313289,693871975,3933700703,
 22447035938,128828019447,743142630614,
 4306327193744,25056121416684,146325789652514,
 857393585946194,5039223717251954,
 29700183601347111,175496470696059267]

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Last modified April 19 17:39 EDT 2024. Contains 371797 sequences. (Running on oeis4.)