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A212207 as a triangular array

1
11
132
1694
11026258
11560956516
12112028030916132
128217700111392438564
1363641554334639482596897128
14557631508820139021286469572049256
1558705940

A212207 as a square array

11111111111
13610152128364555
292660120217364576870
42595280700155431505940
865309111333468820
16161924394813902
32385259612864
648976957
1282049
256
11111111111
13610152128364555
292660120217364576870
42595280700155431505940
865309111333468820
16161924394813902
32385259612864
648976957
1282049
256