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A197217 as a triangular array

1
11
121
1551
181481
1184444181
137149221149371
17347911751175479731
11511537598210210598215371511
130649713094084893848933094049713061
162116088160438706153

A197217 as a square array

11111111111
1258183773151306621
1514441494791537497116088
18442211175598230940160438
11814911751021084893706153
137479598284893
173153730940
11514971
1306
1
11111111111
1258183773151306621
1514441494791537497116088
18442211175598230940160438
11814911751021084893706153
137479598284893
173153730940
11514971
1306
1