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A198596 as a triangular array

2
1717
2722684272
46675116615116614667
80702101749556120856065610174955680702
13974772048992996130825802735393082580273539204899299611397477
2420769241421243320448057520048724340

A198596 as a square array

217272466780702139747724207692
172684511661101749556204899299614142124332044
272511661120856065630825802735398057520048724340
46671017495563082580273539
8070220489929961
1397477
217272466780702139747724207692
172684511661101749556204899299614142124332044
272511661120856065630825802735398057520048724340
46671017495563082580273539
8070220489929961
1397477