OFFSET
0
COMMENTS
Even though this sequence is defined on the nonnegative integers, it is actually a sequence on the finite alphabet {0, 1, 2}.
This sequence is 353-automatic.
LINKS
Eric Rowland, Table of n, a(n) for n = 0..20000
Lara Pudwell and Eric Rowland, Avoiding fractional powers over the natural numbers, arXiv:1510.02807 [math.CO] (2015).
Eric Rowland, List of first 150000 terms
FORMULA
a(353 n + 75371) = a(n).
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric Rowland, Oct 01 2016
STATUS
approved