A179333 The length of a shortest radius-2 sequence on n symbols.

0, 2, 3, 5, 6, 12, 14, 17

Offset: 1

Author

Yeow Meng Chee (ymchee(AT)ntu.edu.sg), Jul 11 2010

Keywords

• nonn

References

• J. W. Jaromczyk and Z. Lonc, "Sequences of radius k: how to fetch many huge objects into small memory for pairwise computations", Algorithms and Computation, Lecture Notes in Comput. Sci., vol. 3341, Springer, Berlin, 2004, pp. 594-605.