A308415 - cp's OEIS frontend

A308415 Number of irreducible Egyptian fractions of denominator n which are the sum of 3 unit fractions.

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

[3, 3, 5, 5, 8, 5, 10, 8, 11, 8, 13, 8, 15, 10, 13, 12, 18, 11, 19, 14, 19, 13, 22, 14, 22, 15, 22, 18, 24, 13, 25, 20, 23, 18, 28, 18, 25, 20, 28, 22, 28, 19, 29, 24, 29, 20, 33, 24, 35, 23, 32, 27, 33, 22, 42, 28, 35, 24, 38, 24, 30, 26, 38, 31]

cp's OEIS Frontend

A308415 Number of irreducible Egyptian fractions of denominator n which are the sum of 3 unit fractions.

Table of values

List of values

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

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

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