A187209 - cp's OEIS frontend

A187209 Sum of all terms of triangle of absolute differences of the divisors of n.

n	a(n)
1	0
2	1
3	2
4	4
5	4
6	9
7	6
8	11
9	12
10	13
11	10
12	24
13	12
14	21
15	30
16	26
17	16
18	43
19	18
20	40
21	40
22	37
23	22
24	59
25	40
26	45
27	50
28	52
29	28
30	89
31	30
32	57
33	60
34	61
35	86
36	90
37	36
38	69
39	70
40	103
41	40
42	125
43	42
44	88
45	140
46	85
47	46
48	128
49	84
50	97
51	90
52	106
53	52
54	165
55	130
56	113
57	100
58	109
59	58
60	201

[0, 1, 2, 4, 4, 9, 6, 11, 12, 13, 10, 24, 12, 21, 30, 26, 16, 43, 18, 40, 40, 37, 22, 59, 40, 45, 50, 52, 28, 89, 30, 57, 60, 61, 86, 90, 36, 69, 70, 103, 40, 125, 42, 88, 140, 85, 46, 128, 84, 97, 90, 106, 52, 165, 130, 113, 100, 109, 58, 201]

cp's OEIS Frontend

A187209 Sum of all terms of triangle of absolute differences of the divisors of n.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	4
5	4
6	9
7	6
8	11
9	12
10	13
11	10
12	24
13	12
14	21
15	30
16	26
17	16
18	43
19	18
20	40
21	40
22	37
23	22
24	59
25	40
26	45
27	50
28	52
29	28
30	89
31	30
32	57
33	60
34	61
35	86
36	90
37	36
38	69
39	70
40	103
41	40
42	125
43	42
44	88
45	140
46	85
47	46
48	128
49	84
50	97
51	90
52	106
53	52
54	165
55	130
56	113
57	100
58	109
59	58
60	201

n	a(n)
1	0
2	1
3	2
4	4
5	4
6	9
7	6
8	11
9	12
10	13
11	10
12	24
13	12
14	21
15	30
16	26
17	16
18	43
19	18
20	40
21	40
22	37
23	22
24	59
25	40
26	45
27	50
28	52
29	28
30	89
31	30
32	57
33	60
34	61
35	86
36	90
37	36
38	69
39	70
40	103
41	40
42	125
43	42
44	88
45	140
46	85
47	46
48	128
49	84
50	97
51	90
52	106
53	52
54	165
55	130
56	113
57	100
58	109
59	58
60	201

n	a(n)
1	0
2	1
3	2
4	4
5	4
6	9
7	6
8	11
9	12
10	13
11	10
12	24
13	12
14	21
15	30
16	26
17	16
18	43
19	18
20	40
21	40
22	37
23	22
24	59
25	40
26	45
27	50
28	52
29	28
30	89
31	30
32	57
33	60
34	61
35	86
36	90
37	36
38	69
39	70
40	103
41	40
42	125
43	42
44	88
45	140
46	85
47	46
48	128
49	84
50	97
51	90
52	106
53	52
54	165
55	130
56	113
57	100
58	109
59	58
60	201