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A231852 as a simple table

n a(n)
1 21
2 612
3 85288
4 11149456
5 1454768048
6 189801034186
7 24762957054535
8 3230773305296573
9 421512520908365354
10 54993894395631067868
11 7174943262940390093175
12 936100477964636376119044 

[21,612,85288,11149456,1454768048,189801034186,
 24762957054535,3230773305296573,
 421512520908365354,54993894395631067868,
 7174943262940390093175,936100477964636376119044]

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)