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A249138 as a triangular array

1
11
211
2411
65711
61881011
242646121411
24965886161811
120154326118156212311
120600444756198246262811
7201044255611521692324384323411

A249138 as a square array

1122662424120120720
11451826961546001044
117846583264442556
111012861187561152
1114161561981692
111821246324
112326384
112832
1134
11
1
1122662424120120720
11451826961546001044
117846583264442556
111012861187561152
1114161561981692
111821246324
112326384
112832
1134
11
1