OFFSET
0
LINKS
A.H.M. Smeets, Table of n, a(n) for n = 0..20000
FORMULA
a(n) = [(2n+1)r] - [2nr] - 1, where [ ] = floor and r = golden ratio (A001622).
EXAMPLE
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Dec 08 2020
STATUS
approved