OFFSET
0,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..10000
EXAMPLE
a(12) = 3 because the minimal number of coins needed to make 12 = 2+5+5 is 3.
CROSSREFS
KEYWORD
nonn
AUTHOR
Colin Barker, Jul 26 2014
EXTENSIONS
a(0)=0 prepended by Alois P. Heinz, May 26 2015
STATUS
approved