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A156515 as a simple table

n a(n)
2 2
3 6
4 134
5 10554
6 5819580
7 9898523036
8 72477416788308
9 2085565005226231500

[2,6,134,10554,5819580,9898523036,72477416788308,
 2085565005226231500]

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Last modified July 19 05:20 EDT 2024. Contains 374388 sequences. (Running on oeis4.)