A063715 - cp's OEIS frontend

A063715 Number of solutions (r,u,s,t) in positive integers to the system of equations 1/r + 1/u = 1/n, 1/s + 1/t = 1/u.

n	a(n)
1	3
2	17
3	29
4	49
5	45
6	111
7	37
8	115
9	109
10	159
11	69
12	319
13	45
14	207
15	279
16	191
17	69
18	367
19	69
20	487
21	315
22	183
23	93
24	681
25	141
26	235
27	291
28	495
29	117
30	909
31	53
32	357
33	331
34	259
35	559
36	967
37	45
38	279
39	459
40	949
41	117
42	1025
43	69
44	663
45	815
46	219
47	117
48	1205
49	161
50	591
51	411
52	555
53	93
54	965
55	579

[3, 17, 29, 49, 45, 111, 37, 115, 109, 159, 69, 319, 45, 207, 279, 191, 69, 367, 69, 487, 315, 183, 93, 681, 141, 235, 291, 495, 117, 909, 53, 357, 331, 259, 559, 967, 45, 279, 459, 949, 117, 1025, 69, 663, 815, 219, 117, 1205, 161, 591, 411, 555, 93, 965, 579]

cp's OEIS Frontend

A063715 Number of solutions (r,u,s,t) in positive integers to the system of equations 1/r + 1/u = 1/n, 1/s + 1/t = 1/u.

Table of values

List of values