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A297720 as a triangular array

1
21
4101
734291
1283145871
212585237472801
378652717421240908761
6526511446236981343192111627351
11480416891933665351235426863011055185831
2002511433230626998328103241

A297720 as a square array

124712213765114200
11034832588652651804125114
12914552327171446268919332306
1877474212369813366532699832
12804090343195123548103241
187621116268630
12735110551
18583
1

A297720 as an upper right triangle

124712213765114200
11034832588652651804125114
12914552327171446268919332306
1877474212369813366532699832
12804090343195123548103241
187621116268630
12735110551
18583
1

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Last modified December 9 01:35 EST 2021. Contains 349624 sequences. (Running on oeis4.)