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A181396 as a simple table

n a(n)
1 4
2 104
3 1206
4 13132
5 148432
6 1692480
7 18893254
8 205592002
9 2192518424
10 23040437586
11 239444000256
12 2466260663869
13 25213885065100
14 256147799888040
15 2588077377850470
16 26026306944344453
17 260646721044701192
18 2600801818956016811
19 25867424061321255322
20 256529866716776061643

[4,104,1206,13132,148432,1692480,18893254,
 205592002,2192518424,23040437586,239444000256,
 2466260663869,25213885065100,256147799888040,
 2588077377850470,26026306944344453,
 260646721044701192,2600801818956016811,
 25867424061321255322,256529866716776061643]

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)