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A274602 as a triangular array

0
11
252
31193
41920134
5293529175
641545138216
75577796747257
8711041131048356298
9891351531491299965339
10109170199202185154115743710

A274602 as a square array

012345678910
1511192941557189109
2920355477104135170
313295179113153199
4173867104149202
5214783129185
6255699154
72965115
83374
937
10
012345678910
1511192941557189109
2920355477104135170
313295179113153199
4173867104149202
5214783129185
6255699154
72965115
83374
937
10