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A368257 as a triangular array

1
64
16446
7254436623
256838421856424452
10561315841399512105012852740194
409621002248947865626847238453687104701124586
165123356262457267111366871987020854975896016286339926495916662131

A368257 as a square array

1616722561056409616512
4445448384131584210022433562624
6366218561399512894786565726711136
234244105012826847238468719870208
52527405368710454975896016
1947011242863399264
5869591666
2131
1616722561056409616512
4445448384131584210022433562624
6366218561399512894786565726711136
234244105012826847238468719870208
52527405368710454975896016
1947011242863399264
5869591666
2131