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A290307 as a triangular array

1
10
110
1100
11110
111110
1112110
11121210
111222210
1112223320
11122333320
111223344320
1112234445420
11122344566530

A290307 as a square array

11111111111111
0111111111111
001111111111
01122222222
0111222222
012223333
01233344
0133444
023445
02356
0246
025
03
0
11111111111111
0111111111111
001111111111
01122222222
0111222222
012223333
01233344
0133444
023445
02356
0246
025
03
0