A251228 as a triangular array
| | | | | | | | 14 |
| | | | | | | | 49 | | 49 |
| | | | | | | 171 | | 305 | | 171 |
| | | | | | 597 | | 1892 | | 1892 | | 597 |
| | | | | 2084 | | 11753 | | 20782 | | 11753 | | 2084 |
| | | | 7275 | | 72985 | | 228689 | | 228689 | | 72985 | | 7275 |
| | | 25396 | | 453273 | | 2515011 | | 4462968 | | 2515011 | | 453273 | | 25396 |
| | 88654 | | 2814985 | | 27662994 | | 87024544 | | 87024544 | | 27662994 | | 2814985 |
|
A251228 as a square array
14 | 49 | 171 | 597 | 2084 | 7275 | 25396 | 88654
| 49 | 305 | 1892 | 11753 | 72985 | 453273 | 2814985
| 171 | 1892 | 20782 | 228689 | 2515011 | 27662994
| 597 | 11753 | 228689 | 4462968 | 87024544
| 2084 | 72985 | 2515011 | 87024544
| 7275 | 453273 | 27662994
| 25396 | 2814985
|
A251228 as an upper right triangle
14 | 49 | 171 | 597 | 2084 | 7275 | 25396 | 88654
| | 49 | 305 | 1892 | 11753 | 72985 | 453273 | 2814985
| | | 171 | 1892 | 20782 | 228689 | 2515011 | 27662994
| | | | 597 | 11753 | 228689 | 4462968 | 87024544
| | | | | 2084 | 72985 | 2515011 | 87024544
| | | | | | 7275 | 453273 | 27662994
| | | | | | | 25396 | 2814985
| | | | | | |
|
|