OFFSET
0,7
LINKS
S. M. Tanny and M. Zuker, On a unimodal sequence of binomial coefficients, Discrete Math. 9 (1974), 79-89.
MAPLE
A060065 := n->ceil( (5*n-3-sqrt(5*n^2+10*n+9))/10);
PROG
(PARI) a(n)=(5*n-sqrtint(5*n^2+10*n+9)+6)\10 \\ Charles R Greathouse IV, Sep 22 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 10 2001
STATUS
approved