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A211601 as a simple table

n a(n)
2 1
3 2143
4 39057044954221855
5 507249004999029430448035076427591041390649615630234312261967

[1,2143,39057044954221855,
 50724900499902943044803507642759104139064961563023\
 4312261967]

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)