A175667 - cp's OEIS frontend

A175667 Smallest number m such that phi(m) = n*tau(m), with phi=A000010 and tau=A000005; a(n)=0 if no such m exists.

n	a(n)
1	1
2	5
3	7
4	34
5	11
6	13
7	58
8	17
9	19
10	55
11	23
12	65
13	106
14	29
15	31
16	85
17	0
18	37
19	0
20	41
21	43
22	115
23	47
24	119
25	125
26	53
27	133
28	145
29	59
30	61
31	0
32	388
33	67
34	274
35	71
36	73
37	298
38	0
39	79
40	187
41	83
42	203
43	346
44	89
45	209
46	235
47	0
48	97
49	394
50	101
51	103
52	169
53	107
54	109
55	253
56	113
57	458
58	295
59	0
60	287
61	0
62	0
63	127
64	514
65	131

[1, 5, 7, 34, 11, 13, 58, 17, 19, 55, 23, 65, 106, 29, 31, 85, 0, 37, 0, 41, 43, 115, 47, 119, 125, 53, 133, 145, 59, 61, 0, 388, 67, 274, 71, 73, 298, 0, 79, 187, 83, 203, 346, 89, 209, 235, 0, 97, 394, 101, 103, 169, 107, 109, 253, 113, 458, 295, 0, 287, 0, 0, 127, 514, 131]

cp's OEIS Frontend

A175667 Smallest number m such that phi(m) = n*tau(m), with phi=A000010 and tau=A000005; a(n)=0 if no such m exists.

Table of values

List of values

n	a(n)
1	1
2	5
3	7
4	34
5	11
6	13
7	58
8	17
9	19
10	55
11	23
12	65
13	106
14	29
15	31
16	85
17	0
18	37
19	0
20	41
21	43
22	115
23	47
24	119
25	125
26	53
27	133
28	145
29	59
30	61
31	0
32	388
33	67
34	274
35	71
36	73
37	298
38	0
39	79
40	187
41	83
42	203
43	346
44	89
45	209
46	235
47	0
48	97
49	394
50	101
51	103
52	169
53	107
54	109
55	253
56	113
57	458
58	295
59	0
60	287
61	0
62	0
63	127
64	514
65	131

n	a(n)
1	1
2	5
3	7
4	34
5	11
6	13
7	58
8	17
9	19
10	55
11	23
12	65
13	106
14	29
15	31
16	85
17	0
18	37
19	0
20	41
21	43
22	115
23	47
24	119
25	125
26	53
27	133
28	145
29	59
30	61
31	0
32	388
33	67
34	274
35	71
36	73
37	298
38	0
39	79
40	187
41	83
42	203
43	346
44	89
45	209
46	235
47	0
48	97
49	394
50	101
51	103
52	169
53	107
54	109
55	253
56	113
57	458
58	295
59	0
60	287
61	0
62	0
63	127
64	514
65	131

n	a(n)
1	1
2	5
3	7
4	34
5	11
6	13
7	58
8	17
9	19
10	55
11	23
12	65
13	106
14	29
15	31
16	85
17	0
18	37
19	0
20	41
21	43
22	115
23	47
24	119
25	125
26	53
27	133
28	145
29	59
30	61
31	0
32	388
33	67
34	274
35	71
36	73
37	298
38	0
39	79
40	187
41	83
42	203
43	346
44	89
45	209
46	235
47	0
48	97
49	394
50	101
51	103
52	169
53	107
54	109
55	253
56	113
57	458
58	295
59	0
60	287
61	0
62	0
63	127
64	514
65	131