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A191551 as a simple table

n a(n)
1 2
2 8
3 33
4 297
5 4032
6 91392
7 3461143
8 214272233
9 22066261672
10 3754762272000
11 1054824912314030
12 490291568481195135
13 376674319103188012304
14 478415094920126210097672
15 1004588343161199901448153154 

[2,8,33,297,4032,91392,3461143,214272233,
 22066261672,3754762272000,1054824912314030,
 490291568481195135,376674319103188012304,
 478415094920126210097672,
 1004588343161199901448153154]

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Last modified May 20 14:08 EDT 2024. Contains 372717 sequences. (Running on oeis4.)