A383747 - cp's OEIS frontend

A383747 Consider the polynomial P(m,z) = Sum_{k=1..r} d(k)*z^(k-1) where d(1) < d(2) < ... < d(r) are the r divisors of m. The sequence lists the numbers m such that P(m,z) contains at least three zeros of the form -1/q, i/q, -i/q, for some integer q, i = sqrt(-1).

n	a(n)
1	8
2	27
3	88
4	104
5	125
6	128
7	136
8	152
9	184
10	232
11	248
12	296
13	328
14	343
15	344
16	376
17	424
18	472
19	488
20	536
21	568
22	584
23	632
24	664
25	712
26	776
27	783
28	808
29	824
30	837
31	856
32	872
33	904
34	968
35	999
36	1016
37	1048
38	1096
39	1107
40	1112
41	1161
42	1192
43	1208
44	1256
45	1269
46	1304
47	1331
48	1336
49	1352
50	1384
51	1431

[8, 27, 88, 104, 125, 128, 136, 152, 184, 232, 248, 296, 328, 343, 344, 376, 424, 472, 488, 536, 568, 584, 632, 664, 712, 776, 783, 808, 824, 837, 856, 872, 904, 968, 999, 1016, 1048, 1096, 1107, 1112, 1161, 1192, 1208, 1256, 1269, 1304, 1331, 1336, 1352, 1384, 1431]

cp's OEIS Frontend

A383747 Consider the polynomial P(m,z) = Sum_{k=1..r} d(k)*z^(k-1) where d(1) < d(2) < ... < d(r) are the r divisors of m. The sequence lists the numbers m such that P(m,z) contains at least three zeros of the form -1/q, i/q, -i/q, for some integer q, i = sqrt(-1).

Table of values

List of values