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A259331 as a simple table

n a(n)
1 1
2 1
3 1
4 20
5 228229620041151627
6 6559900643155884106407005800995037605507731066841784640626478359

[1,1,1,20,228229620041151627,
 65599006431558841064070058009950376055077310668417\
 84640626478359]

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Last modified August 14 05:20 EDT 2022. Contains 356110 sequences. (Running on oeis4.)