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A117904 as a triangular array

1
11
001
1101
11011
001001
1101101
11011011
001001001
1101101101
11011011011
001001001001
1101101101101
11011011011011

A117904 as a square array

11011011011011
1011011011011
100100100100
11011011011
1011011011
100100100
11011011
1011011
100100
11011
1011
100
11
1
11011011011011
1011011011011
100100100100
11011011011
1011011011
100100100
11011011
1011011
100100
11011
1011
100
11
1