On a new binary (22,13,5) code

A new binary (22,13,5) quasi-perfect code is presented. The weight distributions of the coset codes are given. The code obtained is not equivalent to T.J. Wagner's code (1966). Four lower bounds for constant weight codes can be derived from it, which are better than the codes with the same parameters in R.L. Graham and N.J. Sloane (1980) and A.E. Brouwer et al. (1980).<
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