A215284 - cp's OEIS frontend

A215284 Numbers m such that Sum_{k=1..m} (m - k | k) = 0, where (i|j) is the Kronecker symbol.

n	a(n)
1	5
2	8
3	12
4	18
5	20
6	21
7	24
8	28
9	32
10	40
11	44
12	48
13	52
14	53
15	56
16	60
17	68
18	69
19	72
20	76
21	77
22	80
23	84
24	88
25	92
26	96
27	99
28	104
29	108
30	112
31	116
32	120
33	124
34	125
35	126
36	128
37	132
38	136
39	140
40	141
41	148
42	150
43	152
44	156
45	160
46	162
47	164
48	165
49	168
50	172
51	176
52	180
53	184
54	188
55	189
56	192
57	197

[5, 8, 12, 18, 20, 21, 24, 28, 32, 40, 44, 48, 52, 53, 56, 60, 68, 69, 72, 76, 77, 80, 84, 88, 92, 96, 99, 104, 108, 112, 116, 120, 124, 125, 126, 128, 132, 136, 140, 141, 148, 150, 152, 156, 160, 162, 164, 165, 168, 172, 176, 180, 184, 188, 189, 192, 197]

cp's OEIS Frontend

A215284 Numbers m such that Sum_{k=1..m} (m - k | k) = 0, where (i|j) is the Kronecker symbol.

Table of values

List of values

n	a(n)
1	5
2	8
3	12
4	18
5	20
6	21
7	24
8	28
9	32
10	40
11	44
12	48
13	52
14	53
15	56
16	60
17	68
18	69
19	72
20	76
21	77
22	80
23	84
24	88
25	92
26	96
27	99
28	104
29	108
30	112
31	116
32	120
33	124
34	125
35	126
36	128
37	132
38	136
39	140
40	141
41	148
42	150
43	152
44	156
45	160
46	162
47	164
48	165
49	168
50	172
51	176
52	180
53	184
54	188
55	189
56	192
57	197

n	a(n)
1	5
2	8
3	12
4	18
5	20
6	21
7	24
8	28
9	32
10	40
11	44
12	48
13	52
14	53
15	56
16	60
17	68
18	69
19	72
20	76
21	77
22	80
23	84
24	88
25	92
26	96
27	99
28	104
29	108
30	112
31	116
32	120
33	124
34	125
35	126
36	128
37	132
38	136
39	140
40	141
41	148
42	150
43	152
44	156
45	160
46	162
47	164
48	165
49	168
50	172
51	176
52	180
53	184
54	188
55	189
56	192
57	197

n	a(n)
1	5
2	8
3	12
4	18
5	20
6	21
7	24
8	28
9	32
10	40
11	44
12	48
13	52
14	53
15	56
16	60
17	68
18	69
19	72
20	76
21	77
22	80
23	84
24	88
25	92
26	96
27	99
28	104
29	108
30	112
31	116
32	120
33	124
34	125
35	126
36	128
37	132
38	136
39	140
40	141
41	148
42	150
43	152
44	156
45	160
46	162
47	164
48	165
49	168
50	172
51	176
52	180
53	184
54	188
55	189
56	192
57	197