A222137 - OEIS

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A222137 as a simple table

n	a(n)
1	7
2	79
3	130783
4	523927
5	9007199254738183
6	9671406556917033397642519
7	215679573337205118357336120696157045389097155380324579848828881942199

[7,79,130783,523927,9007199254738183, 9671406556917033397642519, 21567957333720511835733612069615704538909715538032\ 4579848828881942199]