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A128971 as a triangular array

1
22
544
101088
2120201616
424240403232
85848480806464
170170168168160160128

A128971 as a square array

12510214285170
2410204284170
48204084168
8164080168
163280160
3264160
64128
12510214285170
2410204284170
48204084168
8164080168
163280160
3264160
64128