OFFSET
2,2
COMMENTS
The sequence is strictly increasing.
The sequence is conjectured to be infinite.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 2..1904 (a(2)-a(968) added on Feb 01 2017, a(969)-a(1904) added on Feb 06 2017)
Rémy Sigrist, C++ program for A281900
CROSSREFS
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Feb 01 2017
STATUS
approved