OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Maximum Independent Vertex Set
FORMULA
a(3*n+1) agrees with A002047(n) for available terms.
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Eric W. Weisstein, Jul 14 2017
EXTENSIONS
a(18)-a(19) from Vaclav Kotesovec, Dec 13 2021
a(20) from Vaclav Kotesovec, Dec 16 2021
a(21)-a(28) from Martin Ehrenstein, Dec 17 2021
STATUS
approved