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A111604 as a triangular array

1
11
121
1131
14321
121251
1654321
11335371
187254321
1234137491
110987654321
1131567235111
1121110987654321
1134531491011

A111604 as a square array

11111111111111
121426182101121
1331537393113
122432481104
1535517595
123436683
17375771
1244264
193359
125410
111311
12
1
11111111111111
121426182101121
1331537393113
122432481104
1535517595
123436683
17375771
1244264
193359
125410
111311
12
1