| Numbers of monomially non-isometric subspaces of F221 |
| Dimension | Numbers |
| 0, 21 | 1 |
| 1, 20 | 21 |
| 2, 19 | 384 |
| 3, 18 | 9322 |
| 4, 17 | 365027 |
| 5, 16 | 23186825 |
| 6, 15 | 1816.579108 |
| 7, 14 | 109563.962854 |
| 8, 13 | 3.273854.883027 |
| 9, 12 | 36.010264.692449 |
| 10, 11 | 123.706235.079334 |
| Numbers of monomially non-isometric subspaces of F221 |