A259446 - cp's OEIS frontend

A259446 Number of triangles with sides pairwise relatively prime and no greater than n; permutations of sides are not considered distinct.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	5
8	7
9	11
10	12
11	23
12	25
13	42
14	48
15	56
16	65
17	97
18	103
19	145
20	157
21	179
22	194
23	258
24	270
25	326
26	351
27	400
28	425
29	532
30	544
31	668
32	719
33	783
34	828
35	914
36	941
37	1121
38	1180
39	1271
40	1316
41	1541
42	1571
43	1821
44	1902
45	1998
46	2085
47	2387
48	2442
49	2705
50	2787

[1, 1, 1, 1, 2, 2, 5, 7, 11, 12, 23, 25, 42, 48, 56, 65, 97, 103, 145, 157, 179, 194, 258, 270, 326, 351, 400, 425, 532, 544, 668, 719, 783, 828, 914, 941, 1121, 1180, 1271, 1316, 1541, 1571, 1821, 1902, 1998, 2085, 2387, 2442, 2705, 2787]

cp's OEIS Frontend

A259446 Number of triangles with sides pairwise relatively prime and no greater than n; permutations of sides are not considered distinct.

Table of values

List of values