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A361277 as a triangular array

1
11
111
1131
11571
11719251
1193797811
1111612415813311
1113914811981366113031
11151278414881175512633559371
111716913451000155321171697202049267851

A361277 as a square array

11111111111
1111111111
1357911131517
1719376191127169
125972414818411345
1815811981488110001
133136611755155321
1130326335171697
15937202049
126785
1
11111111111
1111111111
1357911131517
1719376191127169
125972414818411345
1815811981488110001
133136611755155321
1130326335171697
15937202049
126785
1