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A221191 as a simple table

n a(n)
1 4
2 3605
3 577414
4 106838218
5 19002899459
6 3397426494884
7 606510864326055
8 108294148764084616
9 19334906701693463285
10 3452083666792005674916
11 616337935832587055994226
12 110041486205049878695692789 

[4,3605,577414,106838218,19002899459,
 3397426494884,606510864326055,108294148764084616,
 19334906701693463285,3452083666792005674916,
 616337935832587055994226,
 110041486205049878695692789]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)