A255831 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 5 | | 1 |
| | | | | | | | 1 | | 9 | | 28 | | 1 |
| | | | | | | 1 | | 13 | | 109 | | 153 | | 1 |
| | | | | | 1 | | 17 | | 244 | | 1617 | | 3751 | | 1 |
| | | | | 1 | | 21 | | 433 | | 5929 | | 52501 | | 175760 | | 1 |
| | | | 1 | | 25 | | 676 | | 14625 | | 258751 | | 3261249 | | 6835648 | | 1 |
| | | 1 | | 29 | | 973 | | 29241 | | 810001 | | 19763200 | | 148756357 | | 1051779953 | | 1 |
| | 1 | | 33 | | 1324 | | 51313 | | 1968751 | | 73559825 | | 1086478912 | | 23937893793 | | 364668913756 | | 1 |
|
A255831 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 9 | 13 | 17 | 21 | 25 | 29 | 33
| | 1 | 28 | 109 | 244 | 433 | 676 | 973 | 1324
| | 1 | 153 | 1617 | 5929 | 14625 | 29241 | 51313
| | 1 | 3751 | 52501 | 258751 | 810001 | 1968751
| | 1 | 175760 | 3261249 | 19763200 | 73559825
| | 1 | 6835648 | 148756357 | 1086478912
| | 1 | 1051779953 | 23937893793
| | 1 | 364668913756
| | 1
|
A255831 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 9 | 13 | 17 | 21 | 25 | 29 | 33
| | | 1 | 28 | 109 | 244 | 433 | 676 | 973 | 1324
| | | | 1 | 153 | 1617 | 5929 | 14625 | 29241 | 51313
| | | | | 1 | 3751 | 52501 | 258751 | 810001 | 1968751
| | | | | | 1 | 175760 | 3261249 | 19763200 | 73559825
| | | | | | | 1 | 6835648 | 148756357 | 1086478912
| | | | | | | | 1 | 1051779953 | 23937893793
| | | | | | | | | 1 | 364668913756
| | | | | | | | | | 1
|
|
