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A027331 as a simple table

n a(n)
2 5
3 36
4 293
5 2374
6 19398
7 159072
8 1310669
9 10844525
10 90088935
11 751173656
12 6284938344
13 52752138077
14 444072874534
15 3748425872686
16 31720368301774
17 269056938823323
18 2287158222456938
19 19481849054942368
20 166260043774604820
21 1421400361753347588
22 12172156656845655429

[5,36,293,2374,19398,159072,1310669,10844525,
 90088935,751173656,6284938344,52752138077,
 444072874534,3748425872686,31720368301774,
 269056938823323,2287158222456938,
 19481849054942368,166260043774604820,
 1421400361753347588,12172156656845655429]

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Last modified May 22 08:21 EDT 2022. Contains 353933 sequences. (Running on oeis4.)