A251506 - OEIS

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A251506 as a simple table

n	a(n)
1	1988695378
2	66406260528122
3	2213399667918018212
4	73817882968740867259470
5	2461849509898181667047178526
6	82103804631580381524974704047000
7	2738199348379960068519012031321385958

[1988695378,66406260528122,2213399667918018212, 73817882968740867259470, 2461849509898181667047178526, 82103804631580381524974704047000, 2738199348379960068519012031321385958]