Information on Result #1838765
OOA(12876, 2097409, S128, 4, 19), using (u, u+v)-construction based on
- OOA(12813, 259, S128, 4, 9), using
- extracting embedded OOA [i] based on (4, 13, 259)-net in base 128, using
- 3 times m-reduction [i] based on (4, 16, 259)-net in base 128, using
- base change [i] based on digital (2, 14, 259)-net over F256, using
- net from sequence [i] based on digital (2, 258)-sequence over F256, using
- base change [i] based on digital (2, 14, 259)-net over F256, using
- 3 times m-reduction [i] based on (4, 16, 259)-net in base 128, using
- extracting embedded OOA [i] based on (4, 13, 259)-net in base 128, using
- OOA(12863, 2097150, S128, 4, 19), using
- OOA 4-folding [i] based on OA(12863, 8388600, S128, 19), using
- discarding factors based on OA(12863, large, S128, 19), using
- discarding parts of the base [i] based on linear OA(25655, large, F256, 19) (dual of [large, large−55, 20]-code), using
- the primitive expurgated narrow-sense BCH-code C(I) with length 16777215 = 2563−1, defining interval I = [0,18], and designed minimum distance d ≥ |I|+1 = 20 [i]
- discarding parts of the base [i] based on linear OA(25655, large, F256, 19) (dual of [large, large−55, 20]-code), using
- discarding factors based on OA(12863, large, S128, 19), using
- OOA 4-folding [i] based on OA(12863, 8388600, S128, 19), using
Mode: Constructive.
Optimality
Show details for fixed k and m, k and s, k and t, m and s, m and t.
Other Results with Identical Parameters
None.
Depending Results
None.