OFFSET
1,7
REFERENCES
V. Vatter, The Enumeration and Structure of Permutation Classes, Ph. D. Dissertation, Rutgers Univ., Math. Dept., 2006.
LINKS
M. D. Atkinson, M. M. Murphy and N. Ruskuc, Sorting with two ordered stacks in series, Theoret. Comput. Sci. 289 (2002), 205-223.
R. E. Tarjan, Sorting using networks of queues and stacks, JACM, 19 (1972), 341-346.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 17 2005
STATUS
approved