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A283944 as a triangular array

1
52
1273
221594
352618116
51403021148
70574534251710
9277635039292013
11810084695644332416
14712710891766249382819
179157136116998368554332

A283944 as a square array

15122235517092118147179
271526405777100127157
391830456384108136
4112134506991116
6142539567699
81729446283
1020334968
13243855
162843
1932
15122235517092118147179
271526405777100127157
391830456384108136
4112134506991116
6142539567699
81729446283
1020334968
13243855
162843
1932