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A351522 as a triangular array

0
11
121
1331
13331
134431
1343431
13555531
134545431
1355665531
13456565431
135667766531
1345676765431

A351522 as a square array

0111111111111
123333333333
13344545454
1343555565
134546666
13556577
1345676
135567
13466
1355
134
13
1
0111111111111
123333333333
13344545454
1343555565
134546666
13556577
1345676
135567
13466
1355
134
13
1