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A193728 as a triangular array

1
21
8103
3264429
12835236016227
51217922496172859481
20488704153601440075602106243
8192409608755210368073440311047290729
32768188416473088677376604800344736122472247862187

A193728 as a square array

128321285122048819232768
110643521792870440960188416
34236024961536087552473088
9162172814400103680677376
27594756073440604800
81210631104344736
2437290122472
72924786
2187
128321285122048819232768
110643521792870440960188416
34236024961536087552473088
9162172814400103680677376
27594756073440604800
81210631104344736
2437290122472
72924786
2187