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A228191 as a simple table

n a(n)
1 4
2 24
3 624
4 9375
5 90624
6 890624
7 7109375
8 12890624
9 212890624
10 1787109375
11 81787109375
12 81787109375
13 81787109375
14 59918212890624
15 259918212890624
16 3740081787109375
17 56259918212890624
18 256259918212890624
19 7743740081787109375
20 7743740081787109375 

[4,24,624,9375,90624,890624,7109375,12890624,
 212890624,1787109375,81787109375,81787109375,
 81787109375,59918212890624,259918212890624,
 3740081787109375,56259918212890624,
 256259918212890624,7743740081787109375,
 7743740081787109375]

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Last modified June 7 08:05 EDT 2024. Contains 373160 sequences. (Running on oeis4.)