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A292948 as a triangular array

1
1-1
112
10-1-5
101-215
100-39-52
10019-4203
1000-4-40-95-877
10001102104144140
10000-5-10-117649-21147
10000115-1057273-10088115975
100

A292948 as a square array

111111111111
-11000000000
2-110000000
-5-2-310000
1599-4100
-52-4-4010-51
203-95210-1015
-877414-1176-105
4140497273
-21147-10088
115975
111111111111
-11000000000
2-110000000
-5-2-310000
1599-4100
-52-4-4010-51
203-95210-1015
-877414-1176-105
4140497273
-21147-10088
115975