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A210218 as a triangular array

1
13
147
141315
14143831
14144710363
141448151264127
141448163462649255
14144816454413481546511
1414481645591768376935951023
14144816456018935564

A210218 as a square array

11111111111
3444444444
71314141414141414
1538474848484848
31103151163164164164
63264462544559560
127649134817681893
255154637695564
5113595
1023

A210218 as an upper right triangle

11111111111
3444444444
71314141414141414
1538474848484848
31103151163164164164
63264462544559560
127649134817681893
255154637695564
5113595
1023

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Last modified April 19 02:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)