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A120985 as a simple table

n a(n)
0 1
1 3
2 9
3 28
4 93
5 333
6 1272
7 5085
8 20925
9 87735
10 372879
11 1602450
12 6953824
13 30438138
14 134255403
15 596154495
16 2662813341
17 11955684591
18 53927330037
19 244250703252
20 1110401393067
21 5065143385647
22 23176155530394
23 106344639962973

[1,3,9,28,93,333,1272,5085,20925,87735,372879,
 1602450,6953824,30438138,134255403,596154495,
 2662813341,11955684591,53927330037,244250703252,
 1110401393067,5065143385647,23176155530394,
 106344639962973]

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