OFFSET
0,4
LINKS
P. Fahr, Infinite Gabriel-Roiter measures for the 3-Kronecker quiver, PhD Thesis U. Bielefeld (2008) p 45
Clark Kimberling, The equation m^2 - 4k = 5n^2 and unique representations of positive integers, Fibonacci Quart. 45 (2007), no. 4, 304-312.
Rodica Simion, Trees with 1-factors and oriented trees, Discrete Math., 88 (1981), 97.
Rodica Simion, Trees with 1-factors and oriented trees, Discrete Math., 88 (1981), 97. (Annotated scanned copy)
MATHEMATICA
Table[n^2 + n Floor[n #] - Floor[n #]^2 &@ GoldenRatio, {n, 0, 60}] (* Michael De Vlieger, Mar 06 2016 *)
PROG
(PARI) a(n) = my(fnt = floor(n*(sqrt(5)+1)/2)); n^2 + n*fnt - fnt^2; \\ Michel Marcus, Mar 05 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved