A329307 - cp's OEIS frontend

A329307 Define b(D) = -Sum_{i=1..D} Kronecker(-D,i)*i for D == 0 or 3 (mod 4); sequence gives D such that b(D) = 0 and b(D/k^2) != 0 for k > 1, given that D/k^2 is an integer == 0 or 3 (mod 4).

n	a(n)
1	28
2	60
3	72
4	92
5	99
6	100
7	124
8	147
9	156
10	180
11	188
12	207
13	220
14	275
15	284
16	315
17	316
18	348
19	380
20	412
21	423
22	444
23	475
24	476
25	504
26	507
27	508
28	531
29	572
30	600
31	604
32	612
33	636
34	639
35	668
36	676
37	732
38	747
39	764
40	775
41	796
42	847
43	855
44	860
45	892
46	924
47	931
48	936
49	956
50	963
51	968
52	975
53	980
54	988
55	1020

[28, 60, 72, 92, 99, 100, 124, 147, 156, 180, 188, 207, 220, 275, 284, 315, 316, 348, 380, 412, 423, 444, 475, 476, 504, 507, 508, 531, 572, 600, 604, 612, 636, 639, 668, 676, 732, 747, 764, 775, 796, 847, 855, 860, 892, 924, 931, 936, 956, 963, 968, 975, 980, 988, 1020]

cp's OEIS Frontend

A329307 Define b(D) = -Sum_{i=1..D} Kronecker(-D,i)*i for D == 0 or 3 (mod 4); sequence gives D such that b(D) = 0 and b(D/k^2) != 0 for k > 1, given that D/k^2 is an integer == 0 or 3 (mod 4).

Table of values

List of values