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A129558 as a triangular array

1
11
101
2101
30001
111001
5000001
42010001
401000001
3300100001

A129558 as a square array

1112315443
101010203
10010010
1000100
100001
10000
1000
100
10
1
1112315443
101010203
10010010
1000100
100001
10000
1000
100
10
1