A226644 - cp's OEIS frontend

A226644 Number of ways to express 5/n as Egyptian fractions in just three terms; i.e., 5/n = 1/x + 1/y + 1/z satisfying 1<=x<=y<=z.

n	a(n)
1	0
2	1
3	2
4	4
5	3
6	4
7	4
8	7
9	12
10	10
11	3
12	17
13	6
14	21
15	21
16	12
17	6
18	26
19	13
20	28
21	22
22	18
23	9
24	61
25	36
26	18
27	24
28	48
29	22
30	57
31	5
32	27
33	38
34	26
35	42
36	60
37	11
38	24
39	56
40	70
41	6
42	71
43	13
44	79
45	79
46	19
47	12
48	99
49	41
50	96
51	38
52	55
53	12
54	84
55	62
56	86
57	50
58	41
59	36
60	160
61	6
62	26
63	104
64	57
65	59
66	76
67	16
68	71
69	74
70	136
71	12
72	158
73	22
74	60
75	196
76	52
77	65
78	103
79	25
80	128
81	46
82	30
83	15
84	224
85	73
86	32
87	58
88	141
89	38
90	211
91	71
92	67
93	59
94	41
95	80
96	151
97	24
98	97
99	222
100	292

[0, 1, 2, 4, 3, 4, 4, 7, 12, 10, 3, 17, 6, 21, 21, 12, 6, 26, 13, 28, 22, 18, 9, 61, 36, 18, 24, 48, 22, 57, 5, 27, 38, 26, 42, 60, 11, 24, 56, 70, 6, 71, 13, 79, 79, 19, 12, 99, 41, 96, 38, 55, 12, 84, 62, 86, 50, 41, 36, 160, 6, 26, 104, 57, 59, 76, 16, 71, 74, 136, 12, 158, 22, 60, 196, 52, 65, 103, 25, 128, 46, 30, 15, 224, 73, 32, 58, 141, 38, 211, 71, 67, 59, 41, 80, 151, 24, 97, 222, 292]

cp's OEIS Frontend

A226644 Number of ways to express 5/n as Egyptian fractions in just three terms; i.e., 5/n = 1/x + 1/y + 1/z satisfying 1<=x<=y<=z.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	4
5	3
6	4
7	4
8	7
9	12
10	10
11	3
12	17
13	6
14	21
15	21
16	12
17	6
18	26
19	13
20	28
21	22
22	18
23	9
24	61
25	36
26	18
27	24
28	48
29	22
30	57
31	5
32	27
33	38
34	26
35	42
36	60
37	11
38	24
39	56
40	70
41	6
42	71
43	13
44	79
45	79
46	19
47	12
48	99
49	41
50	96
51	38
52	55
53	12
54	84
55	62
56	86
57	50
58	41
59	36
60	160
61	6
62	26
63	104
64	57
65	59
66	76
67	16
68	71
69	74
70	136
71	12
72	158
73	22
74	60
75	196
76	52
77	65
78	103
79	25
80	128
81	46
82	30
83	15
84	224
85	73
86	32
87	58
88	141
89	38
90	211
91	71
92	67
93	59
94	41
95	80
96	151
97	24
98	97
99	222
100	292

n	a(n)
1	0
2	1
3	2
4	4
5	3
6	4
7	4
8	7
9	12
10	10
11	3
12	17
13	6
14	21
15	21
16	12
17	6
18	26
19	13
20	28
21	22
22	18
23	9
24	61
25	36
26	18
27	24
28	48
29	22
30	57
31	5
32	27
33	38
34	26
35	42
36	60
37	11
38	24
39	56
40	70
41	6
42	71
43	13
44	79
45	79
46	19
47	12
48	99
49	41
50	96
51	38
52	55
53	12
54	84
55	62
56	86
57	50
58	41
59	36
60	160
61	6
62	26
63	104
64	57
65	59
66	76
67	16
68	71
69	74
70	136
71	12
72	158
73	22
74	60
75	196
76	52
77	65
78	103
79	25
80	128
81	46
82	30
83	15
84	224
85	73
86	32
87	58
88	141
89	38
90	211
91	71
92	67
93	59
94	41
95	80
96	151
97	24
98	97
99	222
100	292

n	a(n)
1	0
2	1
3	2
4	4
5	3
6	4
7	4
8	7
9	12
10	10
11	3
12	17
13	6
14	21
15	21
16	12
17	6
18	26
19	13
20	28
21	22
22	18
23	9
24	61
25	36
26	18
27	24
28	48
29	22
30	57
31	5
32	27
33	38
34	26
35	42
36	60
37	11
38	24
39	56
40	70
41	6
42	71
43	13
44	79
45	79
46	19
47	12
48	99
49	41
50	96
51	38
52	55
53	12
54	84
55	62
56	86
57	50
58	41
59	36
60	160
61	6
62	26
63	104
64	57
65	59
66	76
67	16
68	71
69	74
70	136
71	12
72	158
73	22
74	60
75	196
76	52
77	65
78	103
79	25
80	128
81	46
82	30
83	15
84	224
85	73
86	32
87	58
88	141
89	38
90	211
91	71
92	67
93	59
94	41
95	80
96	151
97	24
98	97
99	222
100	292