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A128208 as a triangular array

1
11
011
0031
00051
0000111
00000211
000000431
0000000851
000000001711
0000000003411

A128208 as a square array

11000000000
1100000000
130000000
15000000
11100000
1210000
143000
18500
11710
1341
1
11000000000
1100000000
130000000
15000000
11100000
1210000
143000
18500
11710
1341
1