A227610 - cp's OEIS frontend

A227610 Number of ways 1/n can be expressed as the sum of three distinct unit fractions: 1/n = 1/x + 1/y + 1/z satisfying 0 < x < y < z.

n	a(n)
1	1
2	6
3	15
4	22
5	30
6	45
7	36
8	62
9	69
10	84
11	56
12	142
13	53
14	124
15	178
16	118
17	67
18	191
19	74
20	274
21	227
22	145
23	87
24	342
25	146
26	162
27	216
28	322
29	100
30	461
31	84
32	257
33	304
34	199
35	435
36	508
37	79
38	204
39	360
40	580
41	115
42	587
43	98
44	455
45	618
46	192
47	129
48	676
49	217
50	417
51	369
52	449
53	119
54	573
55	543
56	759
57	367
58	240
59	166
60	1236
61	102
62	261
63	857
64	428
65	568
66	717
67	115
68	537
69	460
70	1018
71	155
72	1126
73	112
74	276
75	839

[1, 6, 15, 22, 30, 45, 36, 62, 69, 84, 56, 142, 53, 124, 178, 118, 67, 191, 74, 274, 227, 145, 87, 342, 146, 162, 216, 322, 100, 461, 84, 257, 304, 199, 435, 508, 79, 204, 360, 580, 115, 587, 98, 455, 618, 192, 129, 676, 217, 417, 369, 449, 119, 573, 543, 759, 367, 240, 166, 1236, 102, 261, 857, 428, 568, 717, 115, 537, 460, 1018, 155, 1126, 112, 276, 839]

cp's OEIS Frontend

A227610 Number of ways 1/n can be expressed as the sum of three distinct unit fractions: 1/n = 1/x + 1/y + 1/z satisfying 0 < x < y < z.

Table of values

List of values