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A128198 as a triangular array

1
11
121
1351
1413161
152573651
16412025273261
17614332101477519571

A128198 as a square array

11111111
1234567
1513254161
11673202433
1655272101
13264775
11957
1
11111111
1234567
1513254161
11673202433
1655272101
13264775
11957
1