A063649 - cp's OEIS frontend

A063649 Largest b such that 1/n=1/c+1/b has integer solutions with c>b.

n	a(n)
2	3
3	4
4	6
5	6
6	10
7	8
8	12
9	12
10	15
11	12
12	21
13	14
14	21
15	24
16	24
17	18
18	30
19	20
20	36
21	30
22	33
23	24
24	42
25	30
26	39
27	36
28	44
29	30
30	55
31	32
32	48
33	44
34	51
35	60
36	63
37	38
38	57
39	52
40	72
41	42
42	78
43	44
44	66
45	72
46	69
47	48
48	84
49	56
50	75
51	68
52	78
53	54
54	90
55	80
56	105
57	76
58	87
59	60
60	110
61	62
62	93
63	112
64	96
65	90
66	110
67	68
68	102
69	92
70	120

[3, 4, 6, 6, 10, 8, 12, 12, 15, 12, 21, 14, 21, 24, 24, 18, 30, 20, 36, 30, 33, 24, 42, 30, 39, 36, 44, 30, 55, 32, 48, 44, 51, 60, 63, 38, 57, 52, 72, 42, 78, 44, 66, 72, 69, 48, 84, 56, 75, 68, 78, 54, 90, 80, 105, 76, 87, 60, 110, 62, 93, 112, 96, 90, 110, 68, 102, 92, 120]

cp's OEIS Frontend

A063649 Largest b such that 1/n=1/c+1/b has integer solutions with c>b.

Table of values

List of values

n	a(n)
2	3
3	4
4	6
5	6
6	10
7	8
8	12
9	12
10	15
11	12
12	21
13	14
14	21
15	24
16	24
17	18
18	30
19	20
20	36
21	30
22	33
23	24
24	42
25	30
26	39
27	36
28	44
29	30
30	55
31	32
32	48
33	44
34	51
35	60
36	63
37	38
38	57
39	52
40	72
41	42
42	78
43	44
44	66
45	72
46	69
47	48
48	84
49	56
50	75
51	68
52	78
53	54
54	90
55	80
56	105
57	76
58	87
59	60
60	110
61	62
62	93
63	112
64	96
65	90
66	110
67	68
68	102
69	92
70	120

n	a(n)
2	3
3	4
4	6
5	6
6	10
7	8
8	12
9	12
10	15
11	12
12	21
13	14
14	21
15	24
16	24
17	18
18	30
19	20
20	36
21	30
22	33
23	24
24	42
25	30
26	39
27	36
28	44
29	30
30	55
31	32
32	48
33	44
34	51
35	60
36	63
37	38
38	57
39	52
40	72
41	42
42	78
43	44
44	66
45	72
46	69
47	48
48	84
49	56
50	75
51	68
52	78
53	54
54	90
55	80
56	105
57	76
58	87
59	60
60	110
61	62
62	93
63	112
64	96
65	90
66	110
67	68
68	102
69	92
70	120

n	a(n)
2	3
3	4
4	6
5	6
6	10
7	8
8	12
9	12
10	15
11	12
12	21
13	14
14	21
15	24
16	24
17	18
18	30
19	20
20	36
21	30
22	33
23	24
24	42
25	30
26	39
27	36
28	44
29	30
30	55
31	32
32	48
33	44
34	51
35	60
36	63
37	38
38	57
39	52
40	72
41	42
42	78
43	44
44	66
45	72
46	69
47	48
48	84
49	56
50	75
51	68
52	78
53	54
54	90
55	80
56	105
57	76
58	87
59	60
60	110
61	62
62	93
63	112
64	96
65	90
66	110
67	68
68	102
69	92
70	120