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A156186 as a triangular array

2
11
161
130301
11593601591
111193639363911191
110932412625741441262109321
11367645826428986328986325826421367641
120319339957168166347181718215216634718995716820319331
1

A156186 as a square array

2111111111
16301591119109321367642031933
1303603639412625826429957168
115936395741489863216634718
111194126289863217182152
11093258264216634718
11367649957168
12031933
1
2111111111
16301591119109321367642031933
1303603639412625826429957168
115936395741489863216634718
111194126289863217182152
11093258264216634718
11367649957168
12031933
1