VOOZH about

URL: https://oeis.org/A006948

⇱ A006948 - OEIS

login
A006948
Number of zero-entropy permutations of length n.
1
1, 2, 4, 12, 30, 90, 244, 776, 2218, 6946, 20468
OFFSET
1,2
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
A. Blokh, E. Coven, and L. Block, Zero Entropy Permutations, International Journal of Bifurcation and Chaos 5 (1995), 1331-1337.
CROSSREFS
Sequence in context: A366590 A308556 A148186 * A148187 A148188 A148189
KEYWORD
nonn,more
AUTHOR
Ethan Coven (ecoven(AT)wesleyan.edu)
EXTENSIONS
a(6) corrected and a(7)-a(11) from Sean A. Irvine, Sep 27 2017
STATUS
approved