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A262135 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 9
5 45
6 225
7 1575
8 11025
9 99225
10 893025
11 9823275
12 108056024
13 1404728312
14 18261451790
15 273921776850
16 4108787293579
17 69849383990843
18 1187387325581683
19 22560359186051977
20 428591632052426778
21 9000424273100962338
22 188954690005716285164

[1,1,1,3,9,45,225,1575,11025,99225,893025,9823275,
 108056024,1404728312,18261451790,273921776850,
 4108787293579,69849383990843,1187387325581683,
 22560359186051977,428591632052426778,
 9000424273100962338,188954690005716285164]

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Last modified July 16 03:21 EDT 2024. Contains 374343 sequences. (Running on oeis4.)