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A223517 as a triangular array

1
151
435451
187052415901
106618515877577251501
7569913512497985722700188252251
64344264751150525845753728852379300388503151
63700822102512148701097587631872303180614856380850716104201

A223517 as a square array

115435187051066185756991356434426475637008221025
1452415158775124979851150525845121487010975
1907725722700753728858763187230
1150188252379300318061485
1225388506380850
131571610
1420
1
115435187051066185756991356434426475637008221025
1452415158775124979851150525845121487010975
1907725722700753728858763187230
1150188252379300318061485
1225388506380850
131571610
1420
1