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A130299 as a triangular array

1
32
533
7444
95555
1166666
13777777
158888888
1799999999
19101010101010101010

A130299 as a square array

135791113151719
2345678910
345678910
45678910
5678910
678910
78910
8910
910
10
135791113151719
2345678910
345678910
45678910
5678910
678910
78910
8910
910
10