A295012 - cp's OEIS frontend

A295012 a(n) = sigma(12n - 1)/12, where sigma = sum of divisors (A000203).

n	a(n)
1	1
2	2
3	4
4	4
5	5
6	6
7	7
8	10
9	9
10	12
11	11
12	14
13	16
14	14
15	15
16	16
17	20
18	22
19	19
20	20
21	21
22	22
23	31
24	28
25	28
26	26
27	30
28	34
29	29
30	30
31	36
32	32
33	40
34	38
35	35
36	36
37	37
38	56
39	39
40	40
41	41
42	42
43	52
44	48
45	57
46	50
47	47
48	62
49	49
50	50
51	56
52	60
53	64
54	54
55	55
56	62
57	57
58	70
59	68
60	60
61	66
62	62
63	76
64	70
65	70
66	76

[1, 2, 4, 4, 5, 6, 7, 10, 9, 12, 11, 14, 16, 14, 15, 16, 20, 22, 19, 20, 21, 22, 31, 28, 28, 26, 30, 34, 29, 30, 36, 32, 40, 38, 35, 36, 37, 56, 39, 40, 41, 42, 52, 48, 57, 50, 47, 62, 49, 50, 56, 60, 64, 54, 55, 62, 57, 70, 68, 60, 66, 62, 76, 70, 70, 76]

cp's OEIS Frontend

A295012 a(n) = sigma(12n - 1)/12, where sigma = sum of divisors (A000203).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	4
5	5
6	6
7	7
8	10
9	9
10	12
11	11
12	14
13	16
14	14
15	15
16	16
17	20
18	22
19	19
20	20
21	21
22	22
23	31
24	28
25	28
26	26
27	30
28	34
29	29
30	30
31	36
32	32
33	40
34	38
35	35
36	36
37	37
38	56
39	39
40	40
41	41
42	42
43	52
44	48
45	57
46	50
47	47
48	62
49	49
50	50
51	56
52	60
53	64
54	54
55	55
56	62
57	57
58	70
59	68
60	60
61	66
62	62
63	76
64	70
65	70
66	76

n	a(n)
1	1
2	2
3	4
4	4
5	5
6	6
7	7
8	10
9	9
10	12
11	11
12	14
13	16
14	14
15	15
16	16
17	20
18	22
19	19
20	20
21	21
22	22
23	31
24	28
25	28
26	26
27	30
28	34
29	29
30	30
31	36
32	32
33	40
34	38
35	35
36	36
37	37
38	56
39	39
40	40
41	41
42	42
43	52
44	48
45	57
46	50
47	47
48	62
49	49
50	50
51	56
52	60
53	64
54	54
55	55
56	62
57	57
58	70
59	68
60	60
61	66
62	62
63	76
64	70
65	70
66	76

n	a(n)
1	1
2	2
3	4
4	4
5	5
6	6
7	7
8	10
9	9
10	12
11	11
12	14
13	16
14	14
15	15
16	16
17	20
18	22
19	19
20	20
21	21
22	22
23	31
24	28
25	28
26	26
27	30
28	34
29	29
30	30
31	36
32	32
33	40
34	38
35	35
36	36
37	37
38	56
39	39
40	40
41	41
42	42
43	52
44	48
45	57
46	50
47	47
48	62
49	49
50	50
51	56
52	60
53	64
54	54
55	55
56	62
57	57
58	70
59	68
60	60
61	66
62	62
63	76
64	70
65	70
66	76