OFFSET
0,2
COMMENTS
a(n) <= n for n >= 4 with a(n) = n infinitely often.
This sequence is 2-regular.
LINKS
Gabriel F. Lipnik, Table of n, a(n) for n = 0..99999
D. Goč, H. Mousavi and J. Shallit, On the number of unbordered factors, arXiv:1211.1301 [cs.FL], 2012.
D. Goč, H. Mousavi and J. Shallit, On the number of unbordered factors, Language and automata theory and applications, Springer, 2013, 299-310.
EXAMPLE
For n = 3 the a(3) = 4 unbordered factors of length 3 in A010060 are 001, 011, 100 and 110.
CROSSREFS
KEYWORD
nonn
AUTHOR
Gabriel F. Lipnik, Aug 21 2019
STATUS
approved