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A137754 as a triangular array

1
11
151
1771
193191
1114949111
1137120971131
1159735135197151
1171275451471545127171
11916179925612561799161191
121199112141591062541591121199211

A137754 as a square array

11111111111
1579111315171921
1731497197127161199
19492093515457991121
11171351147125614159
11397545256110625
1151277994159
1171611121
119199
121
1
11111111111
1579111315171921
1731497197127161199
19492093515457991121
11171351147125614159
11397545256110625
1151277994159
1171611121
119199
121
1