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A054097 as a simple table

n a(n)
3 3
4 8
5 26
6 108
7 554
8 3392
9 24138
10 195716
11 1781018
12 17974584
13 199254842
14 2406840668
15 31466482506
16 442700857328
17 6669158209514
18 107112774491892
19 1827078520647098 

[3,8,26,108,554,3392,24138,195716,1781018,
 17974584,199254842,2406840668,31466482506,
 442700857328,6669158209514,107112774491892,
 1827078520647098]

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Last modified June 8 04:51 EDT 2024. Contains 373207 sequences. (Running on oeis4.)