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A128009 Denominators of rational-valued radii of circles given by 3 distinct integer points in the 3-dimensional Euclidean space. 5
1, 4, 2, 3, 6, 1, 8, 6, 4, 3, 14, 2, 5, 8, 10, 6, 10, 1, 12, 8, 6, 4, 10, 3, 5, 12, 2, 7, 8, 14, 3, 4, 14, 5, 26, 17, 6, 7, 1, 16, 14, 12, 10, 8, 7, 6, 5, 14, 4, 10, 16, 3, 12, 7, 2, 9, 16, 18, 8, 14, 3, 7, 18, 22, 9, 14, 16, 6, 13, 14, 18, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

See A128008.

LINKS

Table of n, a(n) for n=1..72.

CROSSREFS

See A128008 for numerators. Cf. A128006, A128007, A128010, A128011.

Sequence in context: A243961 A098317 A095185 * A072425 A282865 A241051

Adjacent sequences:  A128006 A128007 A128008 * A128010 A128011 A128012

KEYWORD

frac,nonn

AUTHOR

Heinrich Ludwig, Feb 14 2007

STATUS

approved

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Last modified June 24 11:11 EDT 2021. Contains 345416 sequences. (Running on oeis4.)