OFFSET
1,3
FORMULA
Conjecture: let c be the real root of 1-2*x+x^2-x^3+x^4-x^5, c=0.5974970086825179626770716964446..., then a(n)=floor(cn) +0 /+ 1
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Nov 27 2002
STATUS
approved