OFFSET
1,2
LINKS
Lars Blomberg, Table of n, a(n) for n = 1..10000
Aldo de Luca, Luca Q. Zamboni, On prefixal factorizations of words, arXiv:1505.02309 [math.CO], 2015. See Example 2.
Aldo de Luca, Luca Q. Zamboni, On prefixal factorizations of words, European Journal of Combinatorics, Volume 52, Part A, 2016, pp. 59-73. See Example 2.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 27 2017
EXTENSIONS
Terms a(19) and beyond from Lars Blomberg, Nov 28 2017
STATUS
approved