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A168288 as a triangular array

1
11
151
115151
13787371
183373373831
11771389260913891771
13674791152631526347913671
1749157878028513464780285157877491
11515505293936571033401103340139365750529

A168288 as a square array

1111111111
151537831773677491515
11587373138947911578750529
13737326091526380285393657
1831389152631346471033401
11774791802851033401
136715787393657
174950529
1
1111111111
151537831773677491515
11587373138947911578750529
13737326091526380285393657
1831389152631346471033401
11774791802851033401
136715787393657
174950529
1