A358681 - cp's OEIS frontend

A358681 Largest area (doubled) of a triangle enclosed by a circle of radius n such that the center of the circle and the vertices of the triangle all have integer coordinates.

n	a(n)
1	2
2	8
3	21
4	36
5	64
6	90
7	120
8	157
9	208
10	256
11	306
12	360
13	432
14	504
15	576
16	650
17	750
18	832
19	928
20	1025
21	1122
22	1254
23	1360
24	1480
25	1612
26	1748
27	1886
28	2016
29	2170
30	2328
31	2484
32	2646
33	2802
34	3000
35	3180
36	3348
37	3540
38	3718
39	3944
40	4148
41	4340
42	4552
43	4788
44	5016
45	5244
46	5473
47	5718
48	5964

[2, 8, 21, 36, 64, 90, 120, 157, 208, 256, 306, 360, 432, 504, 576, 650, 750, 832, 928, 1025, 1122, 1254, 1360, 1480, 1612, 1748, 1886, 2016, 2170, 2328, 2484, 2646, 2802, 3000, 3180, 3348, 3540, 3718, 3944, 4148, 4340, 4552, 4788, 5016, 5244, 5473, 5718, 5964]

cp's OEIS Frontend

A358681 Largest area (doubled) of a triangle enclosed by a circle of radius n such that the center of the circle and the vertices of the triangle all have integer coordinates.

Table of values

List of values