MinT - Information on Result #1159943

Information on Result #1159943

Linear OOA(2⁷⁴, 85, F₂, 7, 18) (dual of [(85, 7), 521, 19]-NRT-code), using (u,Â u+v)-construction based on

linear OOA(2²⁶, 37, F₂, 7, 9) (dual of [(37, 7), 233, 10]-NRT-code), using
- (u,Â u+v)-construction [i] based on
  1. linear OOA(2⁸, 17, F₂, 7, 4) (dual of [(17, 7), 111, 5]-NRT-code), using
    - appending 3 arbitrary columns [i] based on linear OOA(2⁸, 17, F₂, 4, 4) (dual of [(17, 4), 60, 5]-NRT-code), using
      - appending kth column [i] based on linear OOA(2⁸, 17, F₂, 3, 4) (dual of [(17, 3), 43, 5]-NRT-code), using
        extracting embedded OOA [i] based on digital (4, 8, 17)-net over F₂, using
        nets constructed from net-embeddable BCH codes [i]
  2. linear OOA(2¹⁸, 20, F₂, 7, 9) (dual of [(20, 7), 122, 10]-NRT-code), using
    - extracting embedded OOA [i] based on digital (9, 18, 20)-net over F₂, using
      - linear code embedding found in a computer search [i]
linear OOA(2⁴⁸, 48, F₂, 7, 18) (dual of [(48, 7), 288, 19]-NRT-code), using
- extracting embedded OOA [i] based on digital (30, 48, 48)-net over F₂, using
  - a shift-net [i]

Mode: Constructive and linear.

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