A214409 - cp's OEIS frontend

A214409 a(n) is the smallest conjectured m such that the irreducible fraction m/n is a known abundancy index.

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	13
7	8
8	15
9	13
10	21
11	12
12	31
13	14
14	31
15	26
16	31
17	18
18	49
19	20
20	51
21	32
22	45
23	24
24	65
25	31
26	49
27	40
28	57
29	30
30	91
31	32
32	63
33	52
34	63
35	48
36	91
37	38
38	75
39	56
40	93
41	42
42	127
43	44
44	93
45	88
46	93
47	48
48	127
49	57
50	93
51	80
52	105
53	54
54	121
55	72
56	127
57	80
58	105
59	60
60	217
61	62
62	127
63	104
64	127

[1, 3, 4, 7, 6, 13, 8, 15, 13, 21, 12, 31, 14, 31, 26, 31, 18, 49, 20, 51, 32, 45, 24, 65, 31, 49, 40, 57, 30, 91, 32, 63, 52, 63, 48, 91, 38, 75, 56, 93, 42, 127, 44, 93, 88, 93, 48, 127, 57, 93, 80, 105, 54, 121, 72, 127, 80, 105, 60, 217, 62, 127, 104, 127]

cp's OEIS Frontend

A214409 a(n) is the smallest conjectured m such that the irreducible fraction m/n is a known abundancy index.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	13
7	8
8	15
9	13
10	21
11	12
12	31
13	14
14	31
15	26
16	31
17	18
18	49
19	20
20	51
21	32
22	45
23	24
24	65
25	31
26	49
27	40
28	57
29	30
30	91
31	32
32	63
33	52
34	63
35	48
36	91
37	38
38	75
39	56
40	93
41	42
42	127
43	44
44	93
45	88
46	93
47	48
48	127
49	57
50	93
51	80
52	105
53	54
54	121
55	72
56	127
57	80
58	105
59	60
60	217
61	62
62	127
63	104
64	127

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	13
7	8
8	15
9	13
10	21
11	12
12	31
13	14
14	31
15	26
16	31
17	18
18	49
19	20
20	51
21	32
22	45
23	24
24	65
25	31
26	49
27	40
28	57
29	30
30	91
31	32
32	63
33	52
34	63
35	48
36	91
37	38
38	75
39	56
40	93
41	42
42	127
43	44
44	93
45	88
46	93
47	48
48	127
49	57
50	93
51	80
52	105
53	54
54	121
55	72
56	127
57	80
58	105
59	60
60	217
61	62
62	127
63	104
64	127

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	13
7	8
8	15
9	13
10	21
11	12
12	31
13	14
14	31
15	26
16	31
17	18
18	49
19	20
20	51
21	32
22	45
23	24
24	65
25	31
26	49
27	40
28	57
29	30
30	91
31	32
32	63
33	52
34	63
35	48
36	91
37	38
38	75
39	56
40	93
41	42
42	127
43	44
44	93
45	88
46	93
47	48
48	127
49	57
50	93
51	80
52	105
53	54
54	121
55	72
56	127
57	80
58	105
59	60
60	217
61	62
62	127
63	104
64	127