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A257614 as a triangular array

1
22
4284
82442448
1618445856184416
32132601016201016201326032
64936841511160345508015111609368464
12865783620663388919818809198188020663388657836128
25646095882690114082121603436404720272021216034362690114084609588256

A257614 as a square array

1248163264128256
228244184413260936846578364609588
42445856101620151116020663388269011408
818441016203455080919818802121603436
16132601511160919818804047202720
3293684206633882121603436
64657836269011408
1284609588
256
1248163264128256
228244184413260936846578364609588
42445856101620151116020663388269011408
818441016203455080919818802121603436
16132601511160919818804047202720
3293684206633882121603436
64657836269011408
1284609588
256