Best-known CA bounds for t=2, v=21
| k | N | Best | Verified | Methods |
|---|---|---|---|---|
| 2 | 441 | 441 | ✓ | Trivial |
| 4 | 882 | 441 | ✓ | Product |
| 8 | 1323 | 480 | ✓ | Product |
| 16 | 1764 | 512 | ✓ | Product |
| 32 | 2205 | 680 | ✓ | Product |
| 64 | 2646 | 902 | ✓ | Product |
| 128 | 3087 | 902 | ✓ | Product |
| 256 | 3528 | 965 | ✓ | Product |
| 512 | 3969 | 979 | ✓ | Product |
| 1024 | 4410 | 1282 | ✓ | Product |
| 2048 | 4851 | 1363 | ✓ | Product |
| 4096 | 5292 | 1390 | ✓ | Product |
| 8192 | 5733 | 1436 | ✓ | Product |
| 16384 | 6174 | 1490 | ✓ | Product |
| 20000 | 6615 | 1609 | ✓ | Product |