A331043 a(n) is the number of triangles with integer sides i <= j <= k with squared radius of incircle b(n) = A331040(n)/A331041(n). Records of numbers of distinct triangles such that all smaller radii produce fewer triangles sharing the same radius of incircle than the current radius b(n).

1, 2, 3, 5, 6, 13, 14, 20, 24, 42, 45, 50, 68, 72, 84, 88, 101, 120, 149, 175, 181, 189, 206, 243, 289

Offset

1,2

Comments

See A331040 for more information and examples.

Links

Table of n, a(n) for n=1..25.

Crossrefs

Cf. A120062, A331040, A331041, A331042.

Sequence in context: A301761 A253644 A100330 * A020473 A098833 A075371

Adjacent sequences: A331040 A331041 A331042 * A331044 A331045 A331046

Keyword

nonn,more

Author

Hugo Pfoertner, Jan 11 2020

Status

approved