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A230951 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 9
5 27
6 108
7 475
8 2421
9 13859
10 88254
11 617957
12 4720980
13 39070669
14 348225424
15 3325303894
16 33871280413
17 366573108019
18 4200618576106
19 50809739256049
20 646929695900154
21 8648812936664311
22 121132117170628444
23 1773647319453218254
24 27099334868109293640

[1,1,1,3,9,27,108,475,2421,13859,88254,617957,
 4720980,39070669,348225424,3325303894,33871280413,
 366573108019,4200618576106,50809739256049,
 646929695900154,8648812936664311,
 121132117170628444,1773647319453218254,
 27099334868109293640]

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Last modified June 10 01:53 EDT 2024. Contains 373251 sequences. (Running on oeis4.)