A297790 Areas of integer side-length cyclic quadrilaterals, excluding rectangles and kites with two right angles, with integer area.

12, 15, 16, 18, 20, 21, 24, 28, 30, 36, 40, 42, 45, 48, 54, 56, 60, 63, 65, 66, 70, 72, 75, 78, 80, 84, 85, 88, 90, 95, 96, 99, 100, 102, 104, 105, 108, 110, 115, 117, 120, 126, 128, 130, 132, 135, 136, 140, 144, 150, 152, 153, 154, 156, 160, 165, 168, 170, 171, 175, 176, 180, 182, 184, 189, 190, 192, 195, 196, 198, 200, 203, 204, 207, 208, 210, 216, 217, 220, 224, 225, 228, 230, 231, 232, 234, 238

Offset

1,1

Links

Table of n, a(n) for n=1..87.

Crossrefs

Cf. A298907, A298860, A210250, A230136, A131020, A218431, A219225, A233315, A242778, A273691, A273890.

Sequence in context: A307535 A180575 A115402 * A260462 A114443 A368996

Adjacent sequences: A297787 A297788 A297789 * A297791 A297792 A297793

Keyword

nonn

Author

Gregory Gerard Wojnar, Jan 28 2018

Extensions

Name clarified by Gregory Gerard Wojnar, Oct 31 2018

Status

approved