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A228736 as a simple table

n a(n)
1 5
2 25
3 125
4 545
5 1943
6 6797
7 23627
8 83391
9 298239
10 1073743
11 3873051
12 13959617
13 50261845
14 180829983
15 650385801
16 2339156205
17 8413500735
18 30263904639
19 108865370619
20 391615337877
21 1408733302733
22 5067520822187
23 18228904185829

[5,25,125,545,1943,6797,23627,83391,298239,
 1073743,3873051,13959617,50261845,180829983,
 650385801,2339156205,8413500735,30263904639,
 108865370619,391615337877,1408733302733,
 5067520822187,18228904185829]

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Last modified April 19 11:31 EDT 2024. Contains 371792 sequences. (Running on oeis4.)