OFFSET
1,2
COMMENTS
FORMULA
See A132827.
EXAMPLE
The first few permutations are 1, 21, 213, 4213, 54213, 546213 since {6*tau} is greater than {1*Tau} but less than {3*Tau}; and since of 0<i<7 only {3*tau} and {6*tau} are greater than {1*tau}
CROSSREFS
KEYWORD
nonn,uned
AUTHOR
Kenneth J Ramsey, Sep 13 2007
STATUS
approved