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A112338 as a triangular array

1
11
121
1351
1412141
152257421
16351483031321
1751305114417434291
870546310597841062914301

A112338 as a square array

111111118
123456770
1512223551546
114571483053105
14230311449784
1132174310629
14291430
11
111111118
123456770
1512223551546
114571483053105
14230311449784
1132174310629
14291430
11