A291530 - cp's OEIS frontend

A291530 a(n) is the smallest k such that uphi(kn) = uphi(kn+1), or 0 if no such k exists.

n	a(n)
1	1
2	10
3	373
4	5
5	4
6	372
7	5
8	26
9	248
10	2
11	13
12	186
13	11
14	562
15	247
16	13
17	627
18	124
19	195
20	1
21	183
22	86
23	245
24	93
25	5184
26	8
27	185
28	281
29	1623
30	4320
31	72
32	738
33	43
34	2296
35	1
36	62
37	20
38	2312
39	95
40	3240
41	576
42	732
43	33
44	43
45	111
46	4600
47	540100
48	492
49	115
50	2592
51	209
52	4
53	25383
54	2388
55	629
56	549
57	65
58	1732
59	64476
60	2160
61	20
62	36
63	61

[1, 10, 373, 5, 4, 372, 5, 26, 248, 2, 13, 186, 11, 562, 247, 13, 627, 124, 195, 1, 183, 86, 245, 93, 5184, 8, 185, 281, 1623, 4320, 72, 738, 43, 2296, 1, 62, 20, 2312, 95, 3240, 576, 732, 33, 43, 111, 4600, 540100, 492, 115, 2592, 209, 4, 25383, 2388, 629, 549, 65, 1732, 64476, 2160, 20, 36, 61]

cp's OEIS Frontend

A291530 a(n) is the smallest k such that uphi(kn) = uphi(kn+1), or 0 if no such k exists.

Table of values

List of values

cp's OEIS Frontend

A291530 a(n) is the smallest k such that uphi(k*n) = uphi(k*n+1), or 0 if no such k exists.

Table of values

List of values

A291530 a(n) is the smallest k such that uphi(kn) = uphi(kn+1), or 0 if no such k exists.