1,1
Table of n, a(n) for n=1..2.
Eric Weisstein's World of Mathematics, Graph Path
Eric Weisstein's World of Mathematics, Sierpinski Carpet Graph
Sequence in context: A278893 A101355 A285179 * A244190 A013682 A278068
Adjacent sequences: A307935 A307936 A307937 * A307939 A307940 A307941
nonn,bref,hard,more
Eric W. Weisstein, May 06 2019
approved