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A370888 as a simple table

n a(n)
2 3
3 6
4 15
5 52
6 245
7 1446
8 10087
9 80648
10 725769
11 7257610
12 79833611
13 958003212
14 12454041613
15 174356582414
16 2615348736015
17 41845579776016
18 711374856192017
19 12804747411456018
20 243290200817664019
21 4865804016353280020
22 102181884343418880021
23 2248001455555215360022
24 51704033477769953280023
25 1240896803466478878720024

[3,6,15,52,245,1446,10087,80648,725769,7257610,
 79833611,958003212,12454041613,174356582414,
 2615348736015,41845579776016,711374856192017,
 12804747411456018,243290200817664019,
 4865804016353280020,102181884343418880021,
 2248001455555215360022,51704033477769953280023,
 1240896803466478878720024]

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Last modified June 30 00:34 EDT 2024. Contains 373859 sequences. (Running on oeis4.)