A111804 - cp's OEIS frontend

A111804 Triangle read by rows: for T(n,k), 1<=k<=n, gcd(k,n)=1, consider all representations of k/n as an Egyptian fraction; T(n,k) = minimal value of maximal denominator.

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	4
7	5
8	15
9	10
10	10
11	6
12	3
13	7
14	21
15	21
16	14
17	14
18	21
19	8
20	8
21	8
22	8
23	9
24	18
25	9
26	18
27	9
28	18
29	10
30	10
31	5
32	15
33	11
34	44
35	44
36	33
37	33
38	22
39	22
40	44
41	44
42	33
43	12
44	6
45	4
46	6
47	13
48	65
49	39
50	39
51	52
52	52
53	26
54	26
55	39
56	39
57	52
58	65
59	14
60	14
61	21
62	7
63	21
64	21
65	15
66	20
67	10
68	10
69	5
70	15
71	6
72	10
73	16
74	16
75	16
76	16
77	16
78	16

[1, 2, 3, 6, 4, 4, 5, 15, 10, 10, 6, 3, 7, 21, 21, 14, 14, 21, 8, 8, 8, 8, 9, 18, 9, 18, 9, 18, 10, 10, 5, 15, 11, 44, 44, 33, 33, 22, 22, 44, 44, 33, 12, 6, 4, 6, 13, 65, 39, 39, 52, 52, 26, 26, 39, 39, 52, 65, 14, 14, 21, 7, 21, 21, 15, 20, 10, 10, 5, 15, 6, 10, 16, 16, 16, 16, 16, 16]

cp's OEIS Frontend

A111804 Triangle read by rows: for T(n,k), 1<=k<=n, gcd(k,n)=1, consider all representations of k/n as an Egyptian fraction; T(n,k) = minimal value of maximal denominator.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	4
7	5
8	15
9	10
10	10
11	6
12	3
13	7
14	21
15	21
16	14
17	14
18	21
19	8
20	8
21	8
22	8
23	9
24	18
25	9
26	18
27	9
28	18
29	10
30	10
31	5
32	15
33	11
34	44
35	44
36	33
37	33
38	22
39	22
40	44
41	44
42	33
43	12
44	6
45	4
46	6
47	13
48	65
49	39
50	39
51	52
52	52
53	26
54	26
55	39
56	39
57	52
58	65
59	14
60	14
61	21
62	7
63	21
64	21
65	15
66	20
67	10
68	10
69	5
70	15
71	6
72	10
73	16
74	16
75	16
76	16
77	16
78	16

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	4
7	5
8	15
9	10
10	10
11	6
12	3
13	7
14	21
15	21
16	14
17	14
18	21
19	8
20	8
21	8
22	8
23	9
24	18
25	9
26	18
27	9
28	18
29	10
30	10
31	5
32	15
33	11
34	44
35	44
36	33
37	33
38	22
39	22
40	44
41	44
42	33
43	12
44	6
45	4
46	6
47	13
48	65
49	39
50	39
51	52
52	52
53	26
54	26
55	39
56	39
57	52
58	65
59	14
60	14
61	21
62	7
63	21
64	21
65	15
66	20
67	10
68	10
69	5
70	15
71	6
72	10
73	16
74	16
75	16
76	16
77	16
78	16

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	4
7	5
8	15
9	10
10	10
11	6
12	3
13	7
14	21
15	21
16	14
17	14
18	21
19	8
20	8
21	8
22	8
23	9
24	18
25	9
26	18
27	9
28	18
29	10
30	10
31	5
32	15
33	11
34	44
35	44
36	33
37	33
38	22
39	22
40	44
41	44
42	33
43	12
44	6
45	4
46	6
47	13
48	65
49	39
50	39
51	52
52	52
53	26
54	26
55	39
56	39
57	52
58	65
59	14
60	14
61	21
62	7
63	21
64	21
65	15
66	20
67	10
68	10
69	5
70	15
71	6
72	10
73	16
74	16
75	16
76	16
77	16
78	16