OFFSET
0,3
COMMENTS
Also the minimum number of different Fibonacci numbers that sum up to n^2. - Carmine Suriano, Jul 03 2013
See A088060 for some comments related to the occurrence of 2's. - Peter Munn, Mar 22 2021
LINKS
Carmine Suriano, Table of n, a(n) for n = 0..1000
EXAMPLE
a(11)=4 since 11^2 = 121 = 89 + 21 + 8 + 3 = fib(11) + fib(8) + fib(6) + fib(4). - Carmine Suriano, Jul 03 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
Alex Ratushnyak, May 05 2012
STATUS
approved