A250561 as a triangular array
| | | | | | | | | | 2 |
| | | | | | | | | | 5 | | 8 |
| | | | | | | | | 8 | | 25 | | 14 |
| | | | | | | | 13 | | 60 | | 83 | | 32 |
| | | | | | | 18 | | 117 | | 302 | | 297 | | 62 |
| | | | | | 25 | | 200 | | 761 | | 1516 | | 989 | | 128 |
| | | | | 32 | | 321 | | 1648 | | 5105 | | 7126 | | 3113 | | 254 |
| | | | 41 | | 480 | | 3125 | | 13732 | | 31525 | | 30780 | | 9611 | | 512 |
| | | 50 | | 681 | | 5446 | | 31173 | | 106362 | | 177421 | | 127586 | | 29257 | | 1022 |
| | 61 | | 940 | | 8843 | | 63400 | | 290909 |
|
A250561 as a square array
2 | 5 | 8 | 13 | 18 | 25 | 32 | 41 | 50 | 61
| 8 | 25 | 60 | 117 | 200 | 321 | 480 | 681 | 940
| 14 | 83 | 302 | 761 | 1648 | 3125 | 5446 | 8843
| 32 | 297 | 1516 | 5105 | 13732 | 31173 | 63400
| 62 | 989 | 7126 | 31525 | 106362 | 290909
| 128 | 3113 | 30780 | 177421
| 254 | 9611 | 127586
| 512 | 29257
| 1022
|
A250561 as an upper right triangle
2 | 5 | 8 | 13 | 18 | 25 | 32 | 41 | 50 | 61
| | 8 | 25 | 60 | 117 | 200 | 321 | 480 | 681 | 940
| | | 14 | 83 | 302 | 761 | 1648 | 3125 | 5446 | 8843
| | | | 32 | 297 | 1516 | 5105 | 13732 | 31173 | 63400
| | | | | 62 | 989 | 7126 | 31525 | 106362 | 290909
| | | | | | 128 | 3113 | 30780 | 177421
| | | | | | | 254 | 9611 | 127586
| | | | | | | | 512 | 29257
| | | | | | | | | 1022
| | | | | | | | |
|
|