OFFSET
0
FORMULA
a(n) = 2 - [(2n+2)r] + [(2n+1)r], where [ ] = floor and r = golden ratio (A001622).
EXAMPLE
MATHEMATICA
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Dec 19 2020
EXTENSIONS
Corrected by Michel Dekking, Feb 23 2021
STATUS
approved