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A117898 as a triangular array

1
11
221
1121
11211
221221
1121121
11211211
221221221
1121121121
11211211211
221221221221
1121121121121

A117898 as a square array

1121121121121
121121121121
12212212212
1121121121
121121121
12212212
1121121
121121
12212
1121
121
12
1
1121121121121
121121121121
12212212212
1121121121
121121121
12212212
1121121
121121
12212
1121
121
12
1