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A307426 as a simple table

n a(n)
1 2
2 2
3 7
4 22
5 79
6 289
7 1145
8 4655
9 19314
10 81242
11 345785
12 1484065
13 6414999
14 27895652

[2,2,7,22,79,289,1145,4655,19314,81242,345785,
 1484065,6414999,27895652]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)