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A229706 as a triangular array

1
11
121
1421
16521
199521
1121610521
116251910521
12039322010521
1255654352010521
130808461362010521
1361091299964362010521

A229706 as a square array

111111111111
12469121620253036
12591625395680109
1251019325484129
1251020356199
12510203664
125102036
1251020
12510
125
12
1
111111111111
12469121620253036
12591625395680109
1251019325484129
1251020356199
12510203664
125102036
1251020
12510
125
12
1