OFFSET
1,2
LINKS
Sean A. Irvine, Java program (github)
Frank Schmidt and Rodica Simion, Card shuffling and a transformation on S_n, Aequationes Math. 44 (1992), no. 1, 11-34.
FORMULA
a(n) <= A192053(n) [Proposition 2.9 of Schmidt and Simion]. - Sean A. Irvine, Mar 29 2022
CROSSREFS
KEYWORD
nonn,more
AUTHOR
EXTENSIONS
Title clarified and a(7)-a(11) from Sean A. Irvine, Mar 29 2022
STATUS
approved