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A180305 as a simple table

n a(n)
0 1
1 1
2 4
3 11
4 34
5 96
6 288
7 833
8 2456
9 7175
10 21054
11 61633
12 180674
13 529220
14 1550800
15 4543446
16 13312552
17 39004278
18 114281748
19 334837511
20 981059294
21 2874447292
22 8421986238
23 24675963950
24 72299290794
25 211833080161
26 620659794584
27 1818500391218
28 5328110328116
29 15611082044176
30 45739647180588
31 134014753120706
32 392656158141832

[1,1,4,11,34,96,288,833,2456,7175,21054,61633,
 180674,529220,1550800,4543446,13312552,39004278,
 114281748,334837511,981059294,2874447292,
 8421986238,24675963950,72299290794,211833080161,
 620659794584,1818500391218,5328110328116,
 15611082044176,45739647180588,134014753120706,
 392656158141832]

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Last modified September 2 05:36 EDT 2024. Contains 375604 sequences. (Running on oeis4.)