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A117198 as a triangular array

1
11
101
0101
00001
011001
0000001
00010001
001000001
0000100001
00000000001
000101000001
0000000000001
00000010000001

A117198 as a square array

11100000000000
1010100000000
100100100000
10001000100
1000010000
100000100
10000001
1000000
100000
10000
1000
100
10
1
11100000000000
1010100000000
100100100000
10001000100
1000010000
100000100
10000001
1000000
100000
10000
1000
100
10
1