A293434 - cp's OEIS frontend

A293434 a(n) is the sum of the proper divisors of n that are Jacobsthal numbers (A001045).

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	4
7	1
8	1
9	4
10	6
11	1
12	4
13	1
14	1
15	9
16	1
17	1
18	4
19	1
20	6
21	4
22	12
23	1
24	4
25	6
26	1
27	4
28	1
29	1
30	9
31	1
32	1
33	15
34	1
35	6
36	4
37	1
38	1
39	4
40	6
41	1
42	25
43	1
44	12
45	9
46	1
47	1
48	4
49	1
50	6
51	4
52	1
53	1
54	4
55	17
56	1
57	4
58	1
59	1
60	9
61	1
62	1
63	25
64	1
65	6
66	15
67	1
68	1
69	4
70	6
71	1
72	4
73	1
74	1
75	9
76	1
77	12
78	4
79	1
80	6
81	4
82	1
83	1
84	25
85	6
86	44
87	4
88	12
89	1
90	9
91	1
92	1
93	4
94	1
95	6
96	4
97	1
98	1
99	15
100	6
101	1
102	4
103	1
104	1
105	30

[0, 1, 1, 1, 1, 4, 1, 1, 4, 6, 1, 4, 1, 1, 9, 1, 1, 4, 1, 6, 4, 12, 1, 4, 6, 1, 4, 1, 1, 9, 1, 1, 15, 1, 6, 4, 1, 1, 4, 6, 1, 25, 1, 12, 9, 1, 1, 4, 1, 6, 4, 1, 1, 4, 17, 1, 4, 1, 1, 9, 1, 1, 25, 1, 6, 15, 1, 1, 4, 6, 1, 4, 1, 1, 9, 1, 12, 4, 1, 6, 4, 1, 1, 25, 6, 44, 4, 12, 1, 9, 1, 1, 4, 1, 6, 4, 1, 1, 15, 6, 1, 4, 1, 1, 30]

cp's OEIS Frontend

A293434 a(n) is the sum of the proper divisors of n that are Jacobsthal numbers (A001045).

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	4
7	1
8	1
9	4
10	6
11	1
12	4
13	1
14	1
15	9
16	1
17	1
18	4
19	1
20	6
21	4
22	12
23	1
24	4
25	6
26	1
27	4
28	1
29	1
30	9
31	1
32	1
33	15
34	1
35	6
36	4
37	1
38	1
39	4
40	6
41	1
42	25
43	1
44	12
45	9
46	1
47	1
48	4
49	1
50	6
51	4
52	1
53	1
54	4
55	17
56	1
57	4
58	1
59	1
60	9
61	1
62	1
63	25
64	1
65	6
66	15
67	1
68	1
69	4
70	6
71	1
72	4
73	1
74	1
75	9
76	1
77	12
78	4
79	1
80	6
81	4
82	1
83	1
84	25
85	6
86	44
87	4
88	12
89	1
90	9
91	1
92	1
93	4
94	1
95	6
96	4
97	1
98	1
99	15
100	6
101	1
102	4
103	1
104	1
105	30

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	4
7	1
8	1
9	4
10	6
11	1
12	4
13	1
14	1
15	9
16	1
17	1
18	4
19	1
20	6
21	4
22	12
23	1
24	4
25	6
26	1
27	4
28	1
29	1
30	9
31	1
32	1
33	15
34	1
35	6
36	4
37	1
38	1
39	4
40	6
41	1
42	25
43	1
44	12
45	9
46	1
47	1
48	4
49	1
50	6
51	4
52	1
53	1
54	4
55	17
56	1
57	4
58	1
59	1
60	9
61	1
62	1
63	25
64	1
65	6
66	15
67	1
68	1
69	4
70	6
71	1
72	4
73	1
74	1
75	9
76	1
77	12
78	4
79	1
80	6
81	4
82	1
83	1
84	25
85	6
86	44
87	4
88	12
89	1
90	9
91	1
92	1
93	4
94	1
95	6
96	4
97	1
98	1
99	15
100	6
101	1
102	4
103	1
104	1
105	30

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	4
7	1
8	1
9	4
10	6
11	1
12	4
13	1
14	1
15	9
16	1
17	1
18	4
19	1
20	6
21	4
22	12
23	1
24	4
25	6
26	1
27	4
28	1
29	1
30	9
31	1
32	1
33	15
34	1
35	6
36	4
37	1
38	1
39	4
40	6
41	1
42	25
43	1
44	12
45	9
46	1
47	1
48	4
49	1
50	6
51	4
52	1
53	1
54	4
55	17
56	1
57	4
58	1
59	1
60	9
61	1
62	1
63	25
64	1
65	6
66	15
67	1
68	1
69	4
70	6
71	1
72	4
73	1
74	1
75	9
76	1
77	12
78	4
79	1
80	6
81	4
82	1
83	1
84	25
85	6
86	44
87	4
88	12
89	1
90	9
91	1
92	1
93	4
94	1
95	6
96	4
97	1
98	1
99	15
100	6
101	1
102	4
103	1
104	1
105	30