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A208752 as a triangular array

1
21
351
41481
53034111
65510463141
791259253101171
8140560806504148201
9204109221781966884204231
1028519685202641240901420269261
1138533331128618238

A208752 as a square array

1234567891011
1514305591140204285385
1834104259560109219683333
111632538062178520211286
1141015041966641218238
1171488844090
1202041420
123269
126
1
1234567891011
1514305591140204285385
1834104259560109219683333
111632538062178520211286
1141015041966641218238
1171488844090
1202041420
123269
126
1