A086700 - cp's OEIS frontend

A086700 Euler phi function applied to the triangular numbers.

n	a(n)
1	1
2	2
3	2
4	4
5	8
6	12
7	12
8	12
9	24
10	40
11	20
12	24
13	72
14	48
15	32
16	64
17	96
18	108
19	72
20	48
21	120
22	220
23	88
24	80
25	240
26	216
27	108
28	168
29	224
30	240
31	240
32	160
33	320
34	384
35	144
36	216
37	648
38	432
39	192
40	320
41	480
42	504
43	420
44	240
45	528
46	1012
47	368
48	336
49	840
50	640
51	384
52	624
53	936
54	720
55	480
56	432
57	1008
58	1624
59	464
60	480
61	1800
62	1080
63	576
64	768
65	960
66	1320

[1, 2, 2, 4, 8, 12, 12, 12, 24, 40, 20, 24, 72, 48, 32, 64, 96, 108, 72, 48, 120, 220, 88, 80, 240, 216, 108, 168, 224, 240, 240, 160, 320, 384, 144, 216, 648, 432, 192, 320, 480, 504, 420, 240, 528, 1012, 368, 336, 840, 640, 384, 624, 936, 720, 480, 432, 1008, 1624, 464, 480, 1800, 1080, 576, 768, 960, 1320]

cp's OEIS Frontend

A086700 Euler phi function applied to the triangular numbers.

Table of values

List of values