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A122440 as a triangular array

1
-21
4-41
-1616-61
80-8032-81
-448448-18452-101
2688-26881120-33676-121
-1689616896-71042208-544104-141
109824

A122440 as a square array

1-24-1680-4482688-16896109824
1-416-80448-268816896
1-632-1841120-7104
1-852-3362208
1-1076-544
1-12104
1-14
1
1-24-1680-4482688-16896109824
1-416-80448-268816896
1-632-1841120-7104
1-852-3362208
1-1076-544
1-12104
1-14
1