A212498 A finite sequence (of length 39) in which every permutation of [1..7] is a substring.

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, 5, 6, 1, 2, 7

Offset

1,1

References

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

Links

Table of n, a(n) for n=1..39.

Crossrefs

Cf. A212497.

Sequence in context: A021588 A224998 A222216 * A153103 A199782 A147708

Adjacent sequences: A212495 A212496 A212497 * A212499 A212500 A212501

Keyword

nonn,fini,full

Author

N. J. A. Sloane, May 19 2012

Status

approved