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A213197 as a triangular array

1
34
265
891112
715101413
171820212324
16281927222625
3031333436373940
294532443543384241
47485051535456575960
4666496552645563586261
68

A213197 as a square array

1328717163029474668
46915182831454866
51110201933325049
1214212734445165
13232236355352
242637435464
2539385655
40425763
415958
6062
61
1328717163029474668
46915182831454866
51110201933325049
1214212734445165
13232236355352
242637435464
2539385655
40425763
415958
6062
61