A030659 - cp's OEIS frontend

A030659 Smallest possible maximum denominator in an expression for 1 as a sum of n distinct unit (Egyptian) fractions.

n	a(n)
3	6
4	12
5	15
6	15
7	18
8	20
9	24
10	24
11	28
12	30
13	33
14	33
15	35
16	36
17	40
18	42
19	48
20	52
21	52
22	54
23	55
24	55
25	56
26	60
27	63
28	72
29	75
30	75
31	76
32	76
33	77
34	78
35	80
36	85
37	85
38	88
39	90
40	95
41	96
42	96
43	100
44	102
45	104
46	104
47	108
48	110
49	114
50	115
51	115
52	119
53	119
54	120
55	126
56	130
57	132
58	135
59	138
60	143
61	144
62	144

[6, 12, 15, 15, 18, 20, 24, 24, 28, 30, 33, 33, 35, 36, 40, 42, 48, 52, 52, 54, 55, 55, 56, 60, 63, 72, 75, 75, 76, 76, 77, 78, 80, 85, 85, 88, 90, 95, 96, 96, 100, 102, 104, 104, 108, 110, 114, 115, 115, 119, 119, 120, 126, 130, 132, 135, 138, 143, 144, 144]

cp's OEIS Frontend

A030659 Smallest possible maximum denominator in an expression for 1 as a sum of n distinct unit (Egyptian) fractions.

Table of values

List of values

n	a(n)
3	6
4	12
5	15
6	15
7	18
8	20
9	24
10	24
11	28
12	30
13	33
14	33
15	35
16	36
17	40
18	42
19	48
20	52
21	52
22	54
23	55
24	55
25	56
26	60
27	63
28	72
29	75
30	75
31	76
32	76
33	77
34	78
35	80
36	85
37	85
38	88
39	90
40	95
41	96
42	96
43	100
44	102
45	104
46	104
47	108
48	110
49	114
50	115
51	115
52	119
53	119
54	120
55	126
56	130
57	132
58	135
59	138
60	143
61	144
62	144

n	a(n)
3	6
4	12
5	15
6	15
7	18
8	20
9	24
10	24
11	28
12	30
13	33
14	33
15	35
16	36
17	40
18	42
19	48
20	52
21	52
22	54
23	55
24	55
25	56
26	60
27	63
28	72
29	75
30	75
31	76
32	76
33	77
34	78
35	80
36	85
37	85
38	88
39	90
40	95
41	96
42	96
43	100
44	102
45	104
46	104
47	108
48	110
49	114
50	115
51	115
52	119
53	119
54	120
55	126
56	130
57	132
58	135
59	138
60	143
61	144
62	144

n	a(n)
3	6
4	12
5	15
6	15
7	18
8	20
9	24
10	24
11	28
12	30
13	33
14	33
15	35
16	36
17	40
18	42
19	48
20	52
21	52
22	54
23	55
24	55
25	56
26	60
27	63
28	72
29	75
30	75
31	76
32	76
33	77
34	78
35	80
36	85
37	85
38	88
39	90
40	95
41	96
42	96
43	100
44	102
45	104
46	104
47	108
48	110
49	114
50	115
51	115
52	119
53	119
54	120
55	126
56	130
57	132
58	135
59	138
60	143
61	144
62	144