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A290368 Reduced denominators of the Kirchhoff sum index for the n-halved cube graph. 1
1, 1, 1, 3, 6, 270, 45, 63, 1260, 31500, 3150, 155925, 103950 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

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. A290367 (numerators).

Sequence in context: A291126 A083149 A348361 * A068375 A126297 A157540

Adjacent sequences:  A290365 A290366 A290367 * A290369 A290370 A290371

KEYWORD

nonn,frac,more

AUTHOR

Eric W. Weisstein, Jul 28 2017

STATUS

approved

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Last modified August 12 22:46 EDT 2022. Contains 356077 sequences. (Running on oeis4.)