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A248779 as a triangular array

1
21
621
6621
303621
51524621
359012024621
706304512024621
7063031572012024621
72102520504072012024621
7721002801260504072012024621
231

A248779 as a square array

1266305357070777231
126315906306302102100
12624120453152520280
1262412072050401260
126241207205040
12624120720
12624120
12624
126
12
1
1266305357070777231
126315906306302102100
12624120453152520280
1262412072050401260
126241207205040
12624120720
12624120
12624
126
12
1