OFFSET
0,5
EXAMPLE
a(8)=6 because floor(((1+sqrt(5))/2)^4)=6, a(9)=7 because floor(e^2)=7 and a(10)=9 because floor(Pi^2)=9.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Bryan David Levenson, Jun 03 2006
EXTENSIONS
Edited by M. F. Hasler, May 29 2018
STATUS
approved