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A307693 as a triangular array

1
31
231
6221
76431
575231
4536221
124875421
13129565431
1513104433231
141571210876231
1014613119976221
111016

A307693 as a square array

1326754121315141011
13267541213151410
1245389107616
13267541213
1325641011
1245389
124379
13267
1326
132
12
1
1326754121315141011
13267541213151410
1245389107616
13267541213
1325641011
1245389
124379
13267
1326
132
12
1