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A137896 as a triangular array

1
11
121
1331
141841
15101051
165100561
17631751756371
182856490562881
193684882882843691
1101351201470158761470120135101

A137896 as a square array

11111111111
12345678910
1318105632836135
14101001755684120
1551754908821470
16635688215876
1728841470
1836120
19135
110
1
11111111111
12345678910
1318105632836135
14101001755684120
1551754908821470
16635688215876
1728841470
1836120
19135
110
1