Information on Result #529921
There is no linear OA(285, 1643, F2, 20) (dual of [1643, 1558, 21]-code), because the Johnson bound shows that N ≤ 10 083115 418409 139785 900720 453438 884803 297578 111482 428137 086760 543945 672918 816658 046975 532827 850686 515459 232088 300286 260447 245786 652705 734835 958570 014231 733856 922860 668673 725859 069232 985582 337087 422169 246099 839719 246384 015572 169907 520963 327847 587835 997779 800624 709601 461978 366687 679492 708276 401981 338455 448086 176837 576805 627108 739533 287951 887620 731220 481312 332837 020695 760965 552677 741516 542272 322126 698219 777932 770084 753842 711746 688978 081318 413948 857029 898900 663693 822532 < 21558
Mode: Bound (linear).
Optimality
Show details for fixed k and m, n and k, k and s, k and t, n and m, m and s, m and t, n and s, n and t.
Other Results with Identical Parameters
None.
Depending Results
The following results depend on this result:
| Result | This result only | Method | ||
|---|---|---|---|---|
| 1 | No linear OA(286, 1644, F2, 21) (dual of [1644, 1558, 22]-code) | [i] | Truncation | |