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A133443 as a simple table

n a(n)
0 1
1 2
2 8
3 24
4 84
5 272
6 920
7 3040
8 10180
9 33840
10 112968
11 376224
12 1254696
13 4181088
14 13939248
15 46459584
16 154873860
17 516229040
18 1720795880
19 5735921440
20 19119861304
21 63732624672
22 212442552528
23 708140901184
24 2360471473384
25 7868234639072
26 26227455730640

[1,2,8,24,84,272,920,3040,10180,33840,112968,
 376224,1254696,4181088,13939248,46459584,
 154873860,516229040,1720795880,5735921440,
 19119861304,63732624672,212442552528,708140901184,
 2360471473384,7868234639072,26227455730640]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)