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A258902 as a simple table

n a(n)
1 1
2 1
3 5
4 35
5 355
6 4585
7 72485
8 1353275
9 29150275
10 711535825
11 19409915525
12 585181872275
13 19321831403875
14 693431767653625
15 26876449852377125
16 1118833620294264875
17 49786969727179559875
18 2358371859530852790625
19 118483568521991801253125
20 6292649927564072269071875

[1,1,5,35,355,4585,72485,1353275,29150275,
 711535825,19409915525,585181872275,19321831403875,
 693431767653625,26876449852377125,
 1118833620294264875,49786969727179559875,
 2358371859530852790625,118483568521991801253125,
 6292649927564072269071875]

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Last modified May 1 08:32 EDT 2024. Contains 372149 sequences. (Running on oeis4.)