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A227588 as a triangular array

1
11
121
1321
14421
157521
161212621
17182416721
1826464223821
1935831017329921

A227588 as a square array

1111111111
123456789
124712182635
12512244683
1261642101
1272373
12829
129
12
1

A227588 as an upper right triangle

1111111111
123456789
124712182635
12512244683
1261642101
1272373
12829
129
12
1

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)