OFFSET
1,1
COMMENTS
See A189459.
LINKS
Ivan Panchenko, Table of n, a(n) for n = 1..10000
MATHEMATICA
PROG
(PARI) for(n=1, 100, print1(n + floor(2*n/(1 + 2*sqrt(2))) + floor(2*n*(1+sqrt(2))/(1+2*sqrt(2))), ", ")) \\ G. C. Greubel, Apr 13 2018
(Magma) [n + Floor(2*n/(1 + 2*Sqrt(2))) + Floor(2*n*(1+Sqrt(2))/(1 + 2*Sqrt(2))) : n in [1..100]]; // G. C. Greubel, Apr 13 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Apr 22 2011
STATUS
approved