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A229556 as a triangular array

1
11
121
1331
141151
15257381
161372221749131
1749353777196465412657211
183631959557378667480978314862065179343693341
19761239046803170036768615383142841337971514986420703587735955580499839

A229556 as a square array

1111111111
123456789
13112513749363761
1573222135377719595573239046803
18749196465478667480978317003676861538314284
113126571486206517913379715149864207035877
12134369335955580499839
134
1
1111111111
123456789
13112513749363761
1573222135377719595573239046803
18749196465478667480978317003676861538314284
113126571486206517913379715149864207035877
12134369335955580499839
134
1