A128009 Denominators of rational-valued radii of circles given by 3 distinct integer points in the 3-dimensional Euclidean space.

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

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: A098317 A371325 A095185 * A072425 A361747 A282865

Adjacent sequences: A128006 A128007 A128008 * A128010 A128011 A128012

Keyword

frac,nonn

Author

Heinrich Ludwig, Feb 14 2007

Status

approved