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A270586 as a simple table

n a(n)
1 4
2 21
3 348
4 160397
5 27477992122
6 8361728546142791039570
7 65449866064796651219032701504776304475204846
8 4242994078960802485293647297249599708082797742348261121304757890775884278785179376866443 

[4,21,348,160397,27477992122,
 8361728546142791039570,
 65449866064796651219032701504776304475204846,
 42429940789608024852936472972495997080827977423482\
 61121304757890775884278785179376866443]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)