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A221503 as a simple table

n a(n)
1 1
2 616
3 72625
4 4882030
5 356799776
6 23379869304
7 1542965772979

[1,616,72625,4882030,356799776,23379869304,
 1542965772979]

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Last modified April 16 16:52 EDT 2024. Contains 371749 sequences. (Running on oeis4.)