login
A292067
Number of (non-null) connected induced subgraphs in the n-Sierpinski sieve graph.
1
7, 47, 6306, 16719440487, 484190291407629184897238968930
OFFSET
1,1
COMMENTS
Term a(6) has 89 decimal digits and a(7) has 265. - Andrew Howroyd, Sep 08 2017
LINKS
Eric Weisstein's World of Mathematics, Connected Graph
Eric Weisstein's World of Mathematics, Sierpinski Sieve Graph
Eric Weisstein's World of Mathematics, Vertex-Induced Subgraph
CROSSREFS
Sequence in context: A020465 A092480 A354211 * A088143 A124880 A227100
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Sep 08 2017
EXTENSIONS
a(4)-a(5) from Andrew Howroyd, Sep 08 2017
STATUS
approved