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URL: https://oeis.org/A290345

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A290345
Denominators of the Kirchhoff sum index for the n-hypercube graph.
1
1, 1, 1, 18, 9, 900, 450, 11025, 11025, 793800, 396900, 48024900, 12006225, 8116208100
OFFSET
0,4
LINKS
Eric Weisstein's World of Mathematics, Hypercube Graph
Eric Weisstein's World of Mathematics, Kirchhoff Sum Index
EXAMPLE
First few Kirchhoff sum indices are 0, 1, 4, 227/18, 334/9, 96661/900, 140663/450, 10194871/11025, ....
CROSSREFS
Cf. A290346 (numerators).
Sequence in context: A033965 A146415 A089517 * A035616 A355238 A244093
KEYWORD
nonn,more,frac
AUTHOR
Eric W. Weisstein, Jul 28 2017
STATUS
approved