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A066019 as a triangular array

1
21
231
2341
35551
368761
381212971
491720201281
411203234291591
41229

A066019 as a square array

1222333444
13356891112
145812172029
157122032
1692034
171229
1815
19
1
1222333444
13356891112
145812172029
157122032
1692034
171229
1815
19
1