OFFSET
1,1
COMMENTS
See A189929.
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
FORMULA
MATHEMATICA
PROG
(PARI) for(n=1, 100, print1(n + floor(n/cos(2*Pi/5)) + floor(n*tan(2*Pi/5)), ", ")) \\ G. C. Greubel, Jan 13 2018
(Magma) C<i> := ComplexField(); [n + Floor(n/Cos(2*Pi(C)/5)) + Floor(n*Tan(2*Pi(C)/5)): n in [1..100]]; // G. C. Greubel, Jan 13 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, May 01 2011
STATUS
approved