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A087307 as a triangular array

1
35
155158161
111115119123
38759833875988387599338759983876003
133313391345135113571363

A087307 as a square array

1315511138759831333
515811538759881339
16111938759931345
12338759981351
38760031357
1363
1315511138759831333
515811538759881339
16111938759931345
12338759981351
38760031357
1363