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A339428 as a triangular array

1
11
211
4311
96311
20169411
48372311411
11596623514511
286239169974618511
7196224512821456321611
1842160712177924402068025611

A339428 as a square array

1124920481152867191842
11361637962396221607
113923621694511217
114113597282792
1141446145440
1151863206
1152180
11625
116
11
1
1124920481152867191842
11361637962396221607
113923621694511217
114113597282792
1141446145440
1151863206
1152180
11625
116
11
1