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A128514 as a triangular array

1
21
521
12521
2912521
702912521
169702912521
408169702912521
985408169702912521
2378985408169702912521

A128514 as a square array

1251229701694089852378
125122970169408985
125122970169408
125122970169
125122970
1251229
12512
125
12
1

A128514 as an upper right triangle

1251229701694089852378
125122970169408985
125122970169408
125122970169
125122970
1251229
12512
125
12
1

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)