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A148776 as a simple table

n a(n)
0 1
1 1
2 3
3 8
4 23
5 70
6 231
7 747
8 2519
9 8596
10 30022
11 104652
12 372171
13 1327738
14 4795592
15 17329563
16 63304887
17 231602170
18 853989048
19 3150826452
20 11704071278
21 43519371188
22 162687329027
23 608474865891
24 2286424185195
25 8597775368680
26 32455844916962
27 122568464638204
28 464459733245576
29 1760989548140200

[1,1,3,8,23,70,231,747,2519,8596,30022,104652,
 372171,1327738,4795592,17329563,63304887,
 231602170,853989048,3150826452,11704071278,
 43519371188,162687329027,608474865891,
 2286424185195,8597775368680,32455844916962,
 122568464638204,464459733245576,1760989548140200]

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Last modified September 21 16:31 EDT 2021. Contains 347598 sequences. (Running on oeis4.)