OFFSET
1,4
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..5000
MATHEMATICA
PROG
(PARI) a(n) = floor(sum(k=1, n, frac(sqrt(6)*k))); \\ Michel Marcus, Nov 12 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Aug 18 2011
STATUS
approved