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A257943 as a triangular array

1
22
553
141484
414123115
1221226832146
3653652039541177
1094109460828412250208
32813281182385136514959239
98429842546825521094446176682610

A257943 as a square array

1251441122365109432819842
251441122365109432819842
38236820360818235468
41132952848512552
514411223651094
61750149446
72059176
82368
926
10

A257943 as an upper right triangle

1251441122365109432819842
251441122365109432819842
38236820360818235468
41132952848512552
514411223651094
61750149446
72059176
82368
926
10

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Last modified September 18 20:58 EDT 2021. Contains 347536 sequences. (Running on oeis4.)