A252044 - cp's OEIS frontend

A252044 Numbers n such that s + 1/p = 0, where {d(i), i=1..q} are the q distinct prime divisors of n, s = Sum_{i=1..q} (-1)^(i+1)*i/d(i) and p = Product_{i=1..q} d(i).

n	a(n)
1	6
2	12
3	15
4	18
5	24
6	36
7	45
8	48
9	54
10	72
11	75
12	91
13	96
14	108
15	114
16	135
17	144
18	162
19	192
20	216
21	225
22	228
23	288
24	324
25	342
26	375
27	384
28	405
29	432
30	456
31	486
32	576
33	637
34	648
35	675
36	684
37	703
38	768
39	864
40	912
41	972
42	1026
43	1125
44	1152
45	1183
46	1215
47	1296
48	1368
49	1458
50	1536
51	1728
52	1824
53	1875

[6, 12, 15, 18, 24, 36, 45, 48, 54, 72, 75, 91, 96, 108, 114, 135, 144, 162, 192, 216, 225, 228, 288, 324, 342, 375, 384, 405, 432, 456, 486, 576, 637, 648, 675, 684, 703, 768, 864, 912, 972, 1026, 1125, 1152, 1183, 1215, 1296, 1368, 1458, 1536, 1728, 1824, 1875]

cp's OEIS Frontend

A252044 Numbers n such that s + 1/p = 0, where {d(i), i=1..q} are the q distinct prime divisors of n, s = Sum_{i=1..q} (-1)^(i+1)*i/d(i) and p = Product_{i=1..q} d(i).

Table of values

List of values