OFFSET
1,2
COMMENTS
Conjecture: This is the increasing sequence of numbers congruent to 1 mod 3, with 3 inserted.
Conjecture holds for n <= 1300. - Sean A. Irvine, Oct 12 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected and extended by Clark Kimberling, Oct 12 2019
STATUS
approved