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A269780 as a triangular array

1
24
539
108716
171561425
262413122336
37352211213449
5048332019324764
656346311830456281
828061442928436079100
101997859422741587798121
1221209776574039567596119144

A269780 as a square array

12510172637506582101122
43815243548638099120
97613223346617897
161412112031445976
2523211918294257
36343230282740
494745434139
6462605856
81797775
1009896
121119
144
12510172637506582101122
43815243548638099120
97613223346617897
161412112031445976
2523211918294257
36343230282740
494745434139
6462605856
81797775
1009896
121119
144