OFFSET
1,1
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..7
Eric Weisstein's World of Mathematics, Graph Path.
Eric Weisstein's World of Mathematics, Sierpinski Sieve Graph.
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Jun 17 2017
EXTENSIONS
a(4) onwards from Andrew Howroyd, Aug 08 2024
STATUS
approved