A338202 - cp's OEIS frontend

A338202 a(n) is the number of unit perimeter triangles with rational side lengths whose largest denominator is less than or equal to n.

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	2
7	4
8	5
9	7
10	8
11	12
12	14
13	19
14	21
15	26
16	30
17	38
18	42
19	52
20	60
21	70
22	76
23	90
24	98
25	113
26	122
27	138
28	152
29	173
30	186
31	210
32	226
33	249
34	265
35	306
36	324
37	357
38	377
39	410
40	442
41	482
42	514
43	558
44	592
45	645
46	675
47	727
48	759
49	813
50	848
51	902
52	950
53	1015
54	1053
55	1140
56	1210
57	1277
58	1326

[0, 0, 1, 1, 2, 2, 4, 5, 7, 8, 12, 14, 19, 21, 26, 30, 38, 42, 52, 60, 70, 76, 90, 98, 113, 122, 138, 152, 173, 186, 210, 226, 249, 265, 306, 324, 357, 377, 410, 442, 482, 514, 558, 592, 645, 675, 727, 759, 813, 848, 902, 950, 1015, 1053, 1140, 1210, 1277, 1326]

cp's OEIS Frontend

A338202 a(n) is the number of unit perimeter triangles with rational side lengths whose largest denominator is less than or equal to n.

Table of values

List of values