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A207582 as a triangular array

4
1616
6125661
23237213721232
8825382419691653824882
335377792410346480103464807779243353
127471124260954298961519701696085429896151124260912747
4846016248600928493353430

A207582 as a square array

4166123288233531274748460
1625637215382477792411242609162486009
6137211969161034648054298961528493353430
23253824103464801970169608
882777924542989615
335311242609
12747
4166123288233531274748460
1625637215382477792411242609162486009
6137211969161034648054298961528493353430
23253824103464801970169608
882777924542989615
335311242609
12747