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A279154 as a simple table

n a(n)
1 2
2 12
3 72
4 428
5 2294
6 11932
7 60304
8 297092
9 1443498
10 6930508
11 32917852
12 155025096
13 724982468
14 3370079700
15 15584464186
16 71742003424
17 328950577598
18 1503015006696
19 6845967619642
20 31094637435220
21 140875688981220
22 636779907204164

[2,12,72,428,2294,11932,60304,297092,1443498,
 6930508,32917852,155025096,724982468,3370079700,
 15584464186,71742003424,328950577598,
 1503015006696,6845967619642,31094637435220,
 140875688981220,636779907204164]

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Last modified September 21 13:41 EDT 2021. Contains 347598 sequences. (Running on oeis4.)