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A144337 as a triangular array

1
21
323
4365
549107
651215149
761520211811
87182528272213
9821303536332615
1092435424544393017
1110274049545552453419

A144337 as a square array

1234567891011
12345678910
369121518212427
510152025303540
7142128354249
91827364554
1122334455
13263952
153045
1734
19
1234567891011
12345678910
369121518212427
510152025303540
7142128354249
91827364554
1122334455
13263952
153045
1734
19