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A284855 as a triangular array

1
21
331
4641
510961
615161881
721254027121
82836756454161
9364912612516081241
104564196216375256162321
115581288343756625640243481

A284855 as a square array

1234567891011
13610152128364555
149162536496481
16184075126196288
182764125216343
11254160375756
11681256625
124162640
132243
148
1
1234567891011
13610152128364555
149162536496481
16184075126196288
182764125216343
11254160375756
11681256625
124162640
132243
148
1