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A100327 as a simple table

n a(n)
0 1
1 2
2 8
3 42
4 252
5 1636
6 11188
7 79386
8 579020
9 4314300
10 32697920
11 251284292
12 1953579240
13 15336931928
14 121416356108
15 968187827834
16 7769449728780
17 62696580696172
18 508451657412496
19 4141712433518956
20 33872033298518728
21 278014853384816184
22 2289376313410678312

[1,2,8,42,252,1636,11188,79386,579020,4314300,
 32697920,251284292,1953579240,15336931928,
 121416356108,968187827834,7769449728780,
 62696580696172,508451657412496,4141712433518956,
 33872033298518728,278014853384816184,
 2289376313410678312]

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Last modified July 25 11:31 EDT 2021. Contains 346289 sequences. (Running on oeis4.)