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A131324 as a triangular array

1
11
111
1311
11511
151711
11111911
1711911111
111912911311
1913914111511

A131324 as a square array

1111111111
113151719
1151111191
117119139
1191291
1111141
11131
1115
11
1
1111111111
113151719
1151111191
117119139
1191291
1111141
11131
1115
11
1