OFFSET
1,2
COMMENTS
The discriminator of the sequence is the least positive integer k such that the first n terms of the sequence are distinct modulo k.
LINKS
S. Haque and J. Shallit, Discriminators and k-regular sequences, arXiv:1605.00092 [cs.DM], 2016.
FORMULA
The linked paper by Haque and Shallit gives a conjectured recursive description of the sequence.
CROSSREFS
KEYWORD
nonn
AUTHOR
Jeffrey Shallit, May 08 2016
STATUS
approved