A346880 - cp's OEIS frontend

A346880 Sum of the divisors, except the smallest and the largest, of the n-th positive even number.

n	a(n)
1	0
2	2
3	5
4	6
5	7
6	15
7	9
8	14
9	20
10	21
11	13
12	35
13	15
14	27
15	41
16	30
17	19
18	54
19	21
20	49
21	53
22	39
23	25
24	75
25	42
26	45
27	65
28	63
29	31
30	107
31	33
32	62
33	77
34	57
35	73
36	122
37	39
38	63
39	89
40	105
41	43
42	139
43	45
44	91
45	143
46	75
47	49
48	155
49	72
50	116
51	113
52	105
53	55
54	171
55	105
56	135
57	125
58	93
59	61
60	239
61	63
62	99
63	185
64	126
65	121

[0, 2, 5, 6, 7, 15, 9, 14, 20, 21, 13, 35, 15, 27, 41, 30, 19, 54, 21, 49, 53, 39, 25, 75, 42, 45, 65, 63, 31, 107, 33, 62, 77, 57, 73, 122, 39, 63, 89, 105, 43, 139, 45, 91, 143, 75, 49, 155, 72, 116, 113, 105, 55, 171, 105, 135, 125, 93, 61, 239, 63, 99, 185, 126, 121]

cp's OEIS Frontend

A346880 Sum of the divisors, except the smallest and the largest, of the n-th positive even number.

Table of values

List of values

n	a(n)
1	0
2	2
3	5
4	6
5	7
6	15
7	9
8	14
9	20
10	21
11	13
12	35
13	15
14	27
15	41
16	30
17	19
18	54
19	21
20	49
21	53
22	39
23	25
24	75
25	42
26	45
27	65
28	63
29	31
30	107
31	33
32	62
33	77
34	57
35	73
36	122
37	39
38	63
39	89
40	105
41	43
42	139
43	45
44	91
45	143
46	75
47	49
48	155
49	72
50	116
51	113
52	105
53	55
54	171
55	105
56	135
57	125
58	93
59	61
60	239
61	63
62	99
63	185
64	126
65	121

n	a(n)
1	0
2	2
3	5
4	6
5	7
6	15
7	9
8	14
9	20
10	21
11	13
12	35
13	15
14	27
15	41
16	30
17	19
18	54
19	21
20	49
21	53
22	39
23	25
24	75
25	42
26	45
27	65
28	63
29	31
30	107
31	33
32	62
33	77
34	57
35	73
36	122
37	39
38	63
39	89
40	105
41	43
42	139
43	45
44	91
45	143
46	75
47	49
48	155
49	72
50	116
51	113
52	105
53	55
54	171
55	105
56	135
57	125
58	93
59	61
60	239
61	63
62	99
63	185
64	126
65	121

n	a(n)
1	0
2	2
3	5
4	6
5	7
6	15
7	9
8	14
9	20
10	21
11	13
12	35
13	15
14	27
15	41
16	30
17	19
18	54
19	21
20	49
21	53
22	39
23	25
24	75
25	42
26	45
27	65
28	63
29	31
30	107
31	33
32	62
33	77
34	57
35	73
36	122
37	39
38	63
39	89
40	105
41	43
42	139
43	45
44	91
45	143
46	75
47	49
48	155
49	72
50	116
51	113
52	105
53	55
54	171
55	105
56	135
57	125
58	93
59	61
60	239
61	63
62	99
63	185
64	126
65	121