A331223 a(n) = denominator of squared radius R^2 of the circumcircle of the n-th non-obtuse triangle with integer sides i <= j <= k <= sqrt(i^2 + j^2) in a list of such triangles, the list being sorted by increasing size of R. Numerators are A331222.

3, 15, 3, 35, 32, 1, 20, 63, 15, 55, 3, 4, 99, 96, 39, 91, 84, 3, 143, 7, 35, 5, 64, 8, 119, 1, 51, 255, 195, 192, 96, 187, 180, 95, 171, 160, 3135, 255, 5, 63, 3, 3, 247, 15, 15, 231, 132, 55, 207, 1760, 323, 11, 320, 35, 115, 8855, 308, 3, 299, 20

Offset: 1

Author

Hugo Pfoertner, Jan 12 2020

Keywords

• nonn
• frac

Comments

See A331222.

Examples

			See A331222.
		

Crossrefs

Cf. A331222, A331227, A331228.