OFFSET
3,1
LINKS
Christian Sievers, Table of n, a(n) for n = 3..200
Eric Weisstein's World of Mathematics, Gear Graph
Eric Weisstein's World of Mathematics, Maximal Irredundant Set
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Aug 17 2017
EXTENSIONS
a(13) from Eric W. Weisstein, Sep 08 2021
More terms from Christian Sievers, Nov 17 2023
STATUS
approved