OFFSET
0,3
COMMENTS
Permutation of nonnegative integers .
FORMULA
a(n)=lod_2(A010060(n)).
PROG
(PARI) e=-2; o=-1; vector(100, n, if(hammingweight(n-1)%2, o+=2, e+=2)) \\ Charles R Greathouse IV, Mar 29 2013
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Philippe Deléham, Apr 29 2009
EXTENSIONS
Corrected by R. J. Mathar, May 02 2009
STATUS
approved