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A284949 as a triangular array

1
11
121
1541
191561
119503791
13516018376121
171502877542142161
11351545393035231346242201
127147301718521393115112980390251

A284949 as a square array

1111111111
1259193571135271
14155016050215454730
1637183877393017185
1976542352321393
112142134611511
1162422980
120390
125
1
1111111111
1259193571135271
14155016050215454730
1637183877393017185
1976542352321393
112142134611511
1162422980
120390
125
1