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A158902 as a triangular array

1
21
301
5101
50001
911001
7000001
121010001
1101000001
15100100001
110000000001
2311101000001

A158902 as a square array

12355971211151123
10101010101
1001001001
100010001
10000100
1000001
100000
10000
1000
100
10
1
12355971211151123
10101010101
1001001001
100010001
10000100
1000001
100000
10000
1000
100
10
1