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A167977 as a triangular array

1
24
256
3576
36778
368798
4688999
4788109108
4798101010910

A167977 as a square array

122333444
45566677
6778889
677888
8991010
89910
91010
89
10
122333444
45566677
6778889
677888
8991010
89910
91010
89
10