OFFSET
1,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..5000
FORMULA
a(n) = floor(floor(n^(5/2))^(2/3)).
MATHEMATICA
f[n_]=Floor[Floor[n^(5/2)]^(2/3)];
t1=Table[f[n], {n, 1, 90}]; t1
PROG
(PARI) for(n=1, 50, print1(floor(floor(n^(5/2))^(2/3)), ", ")) \\ G. C. Greubel, Jul 08 2017
(PARI) a(n) = sqrtnint(sqrtnint(n^5, 2)^2, 3); \\ Michel Marcus, Jul 08 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 30 2011
STATUS
approved