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A290367 Reduced numerators of the Kirchhoff sum index for the n-halved cube graph. 1
0, 1, 3, 23, 115, 13123, 5698, 21445, 1190507, 85183627, 25079197, 3749088082, 7720370957 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..13.

Eric Weisstein's World of Mathematics, Halved Cube Graph

Eric Weisstein's World of Mathematics, Kirchhoff Sum Index

CROSSREFS

Cf. A290368 (denominators).

Sequence in context: A267816 A269235 A245752 * A006557 A226611 A081628

Adjacent sequences:  A290364 A290365 A290366 * A290368 A290369 A290370

KEYWORD

nonn,frac,more

AUTHOR

Eric W. Weisstein, Jul 28 2017

STATUS

approved

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Last modified February 23 02:29 EST 2019. Contains 320411 sequences. (Running on oeis4.)