OFFSET
1,1
COMMENTS
a(6) has 103 decimal digits.
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..6
Eric Weisstein's World of Mathematics, Sierpinski Sieve Graph
Eric Weisstein's World of Mathematics, Total Dominating Set
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Sep 03 2021
EXTENSIONS
Terms a(4) and beyond from Andrew Howroyd, Jan 19 2022
STATUS
approved