A359967 - cp's OEIS frontend

A359967 a(n) = Sum_{d|n, d+1 is square} d.

n	a(n)
1	0
2	0
3	3
4	0
5	0
6	3
7	0
8	8
9	3
10	0
11	0
12	3
13	0
14	0
15	18
16	8
17	0
18	3
19	0
20	0
21	3
22	0
23	0
24	35
25	0
26	0
27	3
28	0
29	0
30	18
31	0
32	8
33	3
34	0
35	35
36	3
37	0
38	0
39	3
40	8
41	0
42	3
43	0
44	0
45	18
46	0
47	0
48	83
49	0
50	0
51	3
52	0
53	0
54	3
55	0
56	8
57	3
58	0
59	0
60	18
61	0
62	0
63	66
64	8
65	0
66	3
67	0
68	0
69	3
70	35
71	0
72	35
73	0
74	0
75	18
76	0
77	0
78	3
79	0
80	88
81	3
82	0
83	0
84	3
85	0
86	0

[0, 0, 3, 0, 0, 3, 0, 8, 3, 0, 0, 3, 0, 0, 18, 8, 0, 3, 0, 0, 3, 0, 0, 35, 0, 0, 3, 0, 0, 18, 0, 8, 3, 0, 35, 3, 0, 0, 3, 8, 0, 3, 0, 0, 18, 0, 0, 83, 0, 0, 3, 0, 0, 3, 0, 8, 3, 0, 0, 18, 0, 0, 66, 8, 0, 3, 0, 0, 3, 35, 0, 35, 0, 0, 18, 0, 0, 3, 0, 88, 3, 0, 0, 3, 0, 0]

cp's OEIS Frontend

A359967 a(n) = Sum_{d|n, d+1 is square} d.

Table of values

List of values

n	a(n)
1	0
2	0
3	3
4	0
5	0
6	3
7	0
8	8
9	3
10	0
11	0
12	3
13	0
14	0
15	18
16	8
17	0
18	3
19	0
20	0
21	3
22	0
23	0
24	35
25	0
26	0
27	3
28	0
29	0
30	18
31	0
32	8
33	3
34	0
35	35
36	3
37	0
38	0
39	3
40	8
41	0
42	3
43	0
44	0
45	18
46	0
47	0
48	83
49	0
50	0
51	3
52	0
53	0
54	3
55	0
56	8
57	3
58	0
59	0
60	18
61	0
62	0
63	66
64	8
65	0
66	3
67	0
68	0
69	3
70	35
71	0
72	35
73	0
74	0
75	18
76	0
77	0
78	3
79	0
80	88
81	3
82	0
83	0
84	3
85	0
86	0

n	a(n)
1	0
2	0
3	3
4	0
5	0
6	3
7	0
8	8
9	3
10	0
11	0
12	3
13	0
14	0
15	18
16	8
17	0
18	3
19	0
20	0
21	3
22	0
23	0
24	35
25	0
26	0
27	3
28	0
29	0
30	18
31	0
32	8
33	3
34	0
35	35
36	3
37	0
38	0
39	3
40	8
41	0
42	3
43	0
44	0
45	18
46	0
47	0
48	83
49	0
50	0
51	3
52	0
53	0
54	3
55	0
56	8
57	3
58	0
59	0
60	18
61	0
62	0
63	66
64	8
65	0
66	3
67	0
68	0
69	3
70	35
71	0
72	35
73	0
74	0
75	18
76	0
77	0
78	3
79	0
80	88
81	3
82	0
83	0
84	3
85	0
86	0

n	a(n)
1	0
2	0
3	3
4	0
5	0
6	3
7	0
8	8
9	3
10	0
11	0
12	3
13	0
14	0
15	18
16	8
17	0
18	3
19	0
20	0
21	3
22	0
23	0
24	35
25	0
26	0
27	3
28	0
29	0
30	18
31	0
32	8
33	3
34	0
35	35
36	3
37	0
38	0
39	3
40	8
41	0
42	3
43	0
44	0
45	18
46	0
47	0
48	83
49	0
50	0
51	3
52	0
53	0
54	3
55	0
56	8
57	3
58	0
59	0
60	18
61	0
62	0
63	66
64	8
65	0
66	3
67	0
68	0
69	3
70	35
71	0
72	35
73	0
74	0
75	18
76	0
77	0
78	3
79	0
80	88
81	3
82	0
83	0
84	3
85	0
86	0