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A347478
Number of total dominating sets in the n-alkane graph.
1
15, 64, 256, 1024, 4096, 16384, 65536, 262144, 1048576, 4194304, 16777216, 67108864, 268435456, 1073741824, 4294967296, 17179869184, 68719476736, 274877906944, 1099511627776, 4398046511104, 17592186044416, 70368744177664, 281474976710656, 1125899906842624
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Alkane Graph
Eric Weisstein's World of Mathematics, Total Dominating Set
FORMULA
a(n) = 4^(n+1) for n > 1.
CROSSREFS
Cf. A000302 (powers of 4).
Sequence in context: A044534 A063483 A320555 * A082825 A274444 A118861
KEYWORD
nonn,easy
AUTHOR
Eric W. Weisstein, Sep 03 2021
STATUS
approved