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A227640 as a simple table

n a(n)
1 5
2 44
3 377
4 3202
5 25241
6 179234
7 1147095
8 6679750
9 35730988
10 177168580
11 820755334
12 3576675995
13 14747597428
14 57825369396
15 216544923909
16 777378404391
17 2683990390975
18 8937664937815
19 28776814807337
20 89782546245762

[5,44,377,3202,25241,179234,1147095,6679750,
 35730988,177168580,820755334,3576675995,
 14747597428,57825369396,216544923909,777378404391,
 2683990390975,8937664937815,28776814807337,
 89782546245762]

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Last modified June 1 12:19 EDT 2024. Contains 373023 sequences. (Running on oeis4.)