%I #10 Apr 28 2019 20:10:36

%S 1,1,1,1,1,-1,-1,1,1,-1,1,-1,1

%N Barker sequence of length 13.

%D H. D. Lueke, Korrelationssignale, Springer 1992, p. 114.

%H Shalom Eliahou, Michel Kervaire, <a href="http://dx.doi.org/10.5169/seals-59496">Barker sequences and difference sets</a>, Enseign. Math. (2) 38 (1992), no. 3-4, 345-382.

%Y Cf. A011759, A091704.

%K sign,fini,full

%O 1,1

%A _N. J. A. Sloane_.