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A129555 as a triangular array

1
11
301
2101
50001
331001
7000001
42010001
903000001
5500100001

A129555 as a square array

1132537495
101030205
10010030
1000100
100001
10000
1000
100
10
1
1132537495
101030205
10010030
1000100
100001
10000
1000
100
10
1