%I #4 May 19 2012 10:16:35

%S 7,1,2,3,4,5,6,7,1,2,3,4,5,7,6,1,2,3,4,7,5,6,1,2,3,7,4,5,6,1,2,7,3,4,

%T 5,6,1,2,7

%N A finite sequence (of length 39) in which every permutation of [1..7] is a substring.

%D Adleman, Leonard. Short permutation strings. Discrete Math. 10(1974), 197--200. MR0373911 (51 #10111)

%Y Cf. A212497.

%K nonn,fini,full

%O 1,1

%A _N. J. A. Sloane_, May 19 2012