OFFSET
3,1
LINKS
Christian Sievers, Table of n, a(n) for n = 3..200
Eric Weisstein's World of Mathematics, Dipyramidal Graph
Eric Weisstein's World of Mathematics, Irredundant Set
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Jun 18 2018
EXTENSIONS
a(21)-a(30) from Andrew Howroyd, Jun 26 2018
More terms from Christian Sievers, Nov 14 2023
STATUS
approved