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A268246 as a triangular array

2
94
64816
61540965769
7536378225216000396912
11247656791296197555340109410482528116
1981512126508505763717139314009895602782251971846415523620
4026548739263898061441257212773492866

A268246 as a square array

29646157536112476198151240265487
481409637822556791296126508505763926389806144
65762160001975553403717139314001257212773492866
939691094104898956027822
1225281519718464
16155236
20
29646157536112476198151240265487
481409637822556791296126508505763926389806144
65762160001975553403717139314001257212773492866
939691094104898956027822
1225281519718464
16155236
20