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A257627 as a triangular array

1
33
9609
2775375327
81817825602817881
2438429163150663150684291243
729852144133486233031228813348623852144729
218785542452593080631141302225114130222525930806385542452187

A257627 as a square array

13927812437292187
3607538178842918521448554245
97532560263150613348623259308063
278178631506303122881141302225
8184291133486231141302225
243852144259308063
7298554245
2187
13927812437292187
3607538178842918521448554245
97532560263150613348623259308063
278178631506303122881141302225
8184291133486231141302225
243852144259308063
7298554245
2187