A317182 Consider integer triangles as listed in rows of table A316841. Sequence gives sorted and uniqued values of 16*area^2 for these triangles.

3, 15, 35, 48, 63, 99, 128, 135, 143, 195, 231, 240, 243, 255, 275, 320, 323, 351, 384, 399, 455, 483, 495, 560, 575, 576, 663, 675, 735, 768, 783, 819, 855, 896, 899, 935, 975, 1008, 1023, 1071, 1155, 1215, 1235, 1280, 1295, 1311, 1344, 1443, 1463, 1536, 1539

Offset

1,1

Comments

The possible lengths of the chord connecting the cusps of the lens-like intersection area between two circles with integer radii and integer distance d between their centers are of the form sqrt(a(n))/d. - Hugo Pfoertner, Sep 05 2020

Links

Lars Blomberg, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Circle-Circle Intersection

Crossrefs

Cf. A316841, A316853.

Sequence in context: A009261 A331249 A102790 * A236693 A317183 A000466

Adjacent sequences: A317179 A317180 A317181 * A317183 A317184 A317185

Keyword

nonn

Author

N. J. A. Sloane, Jul 25 2018

Extensions

More terms from Lars Blomberg, Apr 25 2019

Status

approved