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A109286 as a simple table

n a(n)
0 1
1 2
2 6
3 25
4 146
5 1074
6 9247
7 89618
8 956106
9 11066959
10 137531624
11 1820347008
12 25499542444
13 376098118280
14 5815744322556
15 93946244699173
16 1580463050838884
17 27616009578136506
18 500029604169802336
19 9362566904514285044

[1,2,6,25,146,1074,9247,89618,956106,11066959,
 137531624,1820347008,25499542444,376098118280,
 5815744322556,93946244699173,1580463050838884,
 27616009578136506,500029604169802336,
 9362566904514285044]

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)