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A297933 as a triangular array

1
23
467
5111415
812233031
91328476263
1019296095126127
16223961124191254255
17244679125252383510511
1825559415925350876710221023
202656111190319

A297933 as a square array

1245891016171820
361112131922242526
71423282939465556
15304760617994111
316295124125159190
63126191252253319
127254383508
255510767
5111022
1023
1245891016171820
361112131922242526
71423282939465556
15304760617994111
316295124125159190
63126191252253319
127254383508
255510767
5111022
1023