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A108198 as a triangular array

1
12
145
161514
18305642
11050140210132
11275280630792429
1141054901470277230031430
1161407842940739212012114404862
118180117652921663236036514804375816796
120225

A108198 as a square array

11111111111
2468101214161820
515305075105140180225
14561402804907841176
42210630147029405292
1327922772739216632
42930031201236036
14301144051480
486243758
16796
11111111111
2468101214161820
515305075105140180225
14561402804907841176
42210630147029405292
1327922772739216632
42930031201236036
14301144051480
486243758
16796