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A049695 as a triangular array

0
11
121
1331
14441
156651
1678761
1791010971
18101312131081
1912141616141291
11013171720171713101
1111519212222211915111
112162123272427

A049695 as a square array

0111111111111
123456789101112
1346791012131516
1468101314171921
157101216172123
1691316202227
171014172224
1812172127
191319
11015
111
1
0111111111111
123456789101112
1346791012131516
1468101314171921
157101216172123
1691316202227
171014172224
1812172127
191319
11015
111
1