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A131112 as a triangular array

1
41
481
412121
41624161
4204040201
424608060241
4288414014084281
432112224280224112321
436144336504504336144361

A131112 as a square array

1444444444
1812162024283236
11224406084112144
1164080140224336
12060140280504
12484224504
128112336
132144
136
1
1444444444
1812162024283236
11224406084112144
1164080140224336
12060140280504
12484224504
128112336
132144
136
1