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A126216 as a triangular array

1
21
551
142191
428456141
132330300120201
42912871485825225271
14305005700750051925385351
4862194483203228028140144004616441
167967558214320814851291728343987644936541

A126216 as a square array

12514421324291430486216796
152184330128750051944875582
19563001485700732032143208
114120825500528028148512
12022519251401491728
127385400434398
1356167644
144936
154
1
12514421324291430486216796
152184330128750051944875582
19563001485700732032143208
114120825500528028148512
12022519251401491728
127385400434398
1356167644
144936
154
1