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A202176 as a triangular array

1
11
121
1231
13441
136651
14912961
141218291271
15152733301681
1518

A202176 as a square array

1111111111
122334455
13469121518
146121827
1592933
161230
1716
18
1
1111111111
122334455
13469121518
146121827
1592933
161230
1716
18
1