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A063712 as a triangular array

1
22
343
4554
56665
677776
7888887
89999998
9101010101010109
10111111111111111110
1112121212121212121211
121313131313131313131312
131414

A063712 as a square array

12345678910111213
24567891011121314
3567891011121314
4678910111213
578910111213
68910111213
7910111213
810111213
9111213
101213
1113
12
12345678910111213
24567891011121314
3567891011121314
4678910111213
578910111213
68910111213
7910111213
810111213
9111213
101213
1113
12