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A137633 as a triangular array

1
21
411
7211
123111
1952111
30731111
4511421111
67156311111
972284211111
139301153111111

A137633 as a square array

1247121930456797139
11235711152230
1112346811
11112345
1111123
111111
11111
1111
111
11
1
1247121930456797139
11235711152230
1112346811
11112345
1111123
111111
11111
1111
111
11
1