The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #10 Sep 05 2021 04:28:12
%S 15,64,256,1024,4096,16384,65536,262144,1048576,4194304,16777216,
%T 67108864,268435456,1073741824,4294967296,17179869184,68719476736,
%U 274877906944,1099511627776,4398046511104,17592186044416,70368744177664,281474976710656,1125899906842624
%N Number of total dominating sets in the n-alkane graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/AlkaneGraph.html">Alkane Graph</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TotalDominatingSet.html">Total Dominating Set</a>
%F a(n) = 4^(n+1) for n > 1.
%Y Cf. A000302 (powers of 4).
%Y Cf. A180148, A228602, A347501.
%K nonn,easy
%O 1,1
%A _Eric W. Weisstein_, Sep 03 2021