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A249128 as a triangular array

1
11
111
2311
24511
6117811
61826101111
24504658141511
249615486102181911
120274326444156177232411
1206001044756954246272282911
7201764

A249128 as a square array

11122662424120120720
1134111850962746001764
115726461543261044
118105886444756
111114102156954
111518177246
111923272
112428
1129
11
1
11122662424120120720
1134111850962746001764
115726461543261044
118105886444756
111114102156954
111518177246
111923272
112428
1129
11
1