OFFSET
0,3
LINKS
Peter Kagey, Table of n, a(n) for n = 0..10000
EXAMPLE
a(7) = 3 therefore a(8) != a(6) and a(9) != a(5). Note that k = floor(7/3) = 2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Kagey and Alec Jones, Mar 28 2017
STATUS
approved