A101021 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 1 | | 1 | | 3 |
| | | | | | | | | | | 1 | | 1 | | 1 | | 5 |
| | | | | | | | | | 1 | | 1 | | 1 | | 5 | | 35 |
| | | | | | | | | 1 | | 1 | | 3 | | 1 | | 7 | | 63 |
| | | | | | | | 1 | | 1 | | 1 | | 1 | | 7 | | 7 | | 231 |
| | | | | | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 33 | | 429 |
| | | | | | 1 | | 1 | | 3 | | 5 | | 1 | | 9 | | 33 | | 429 | | 6435 |
| | | | | 1 | | 1 | | 1 | | 5 | | 5 | | 1 | | 11 | | 143 | | 715 | | 12155 |
| | | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 11 | | 143 | | 143 | | 2431 | | 46189 |
| | | 1 | | 1 | | 3 | | 1 | | 7 | | 1 | | 1 | | 13 | | 13 | | 221 | | 4199 | | 88179 |
| | 1 | | 1 | | 1 | | 1 | | 7 |
|
A101021 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 1 | 1 | 3 | 1 | 1 | 3 | 1 | 1 | 3 | 1
| | 5 | 5 | 1 | 1 | 1 | 5 | 5 | 1 | 1 | 1
| | 35 | 7 | 7 | 1 | 1 | 5 | 1 | 7 | 7
| | 63 | 7 | 1 | 9 | 1 | 1 | 1
| | 231 | 33 | 33 | 11 | 11 | 1
| | 429 | 429 | 143 | 143 | 13
| | 6435 | 715 | 143 | 13
| | 12155 | 2431 | 221
| | 46189 | 4199
| | 88179
|
A101021 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 3 | 1 | 1 | 3 | 1 | 1 | 3 | 1 | 1 | 3 | 1
| | | | 5 | 5 | 1 | 1 | 1 | 5 | 5 | 1 | 1 | 1
| | | | | 35 | 7 | 7 | 1 | 1 | 5 | 1 | 7 | 7
| | | | | | 63 | 7 | 1 | 9 | 1 | 1 | 1
| | | | | | | 231 | 33 | 33 | 11 | 11 | 1
| | | | | | | | 429 | 429 | 143 | 143 | 13
| | | | | | | | | 6435 | 715 | 143 | 13
| | | | | | | | | | 12155 | 2431 | 221
| | | | | | | | | | | 46189 | 4199
| | | | | | | | | | | | 88179
| | | | | | | | | | | |
|
|
