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A134543 as a triangular array

1
21
431
6531
109631
12119631
18171410631
2221181410631
282724201510631
32312925201510631

A134543 as a square array

1246101218222832
13591117212731
136914182429
13610142025
136101520
1361015
13610
136
13
1
1246101218222832
13591117212731
136914182429
13610142025
136101520
1361015
13610
136
13
1