A297792 - cp's OEIS frontend

A297792 a(n) = Sum_{d|n} min(d, n/d)^2.

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	10
7	2
8	10
9	11
10	10
11	2
12	28
13	2
14	10
15	20
16	26
17	2
18	28
19	2
20	42
21	20
22	10
23	2
24	60
25	27
26	10
27	20
28	42
29	2
30	78
31	2
32	42
33	20
34	10
35	52
36	96
37	2
38	10
39	20
40	92
41	2
42	100
43	2
44	42
45	70
46	10
47	2
48	132
49	51
50	60
51	20
52	42
53	2
54	100
55	52
56	140
57	20
58	10
59	2
60	182
61	2
62	10
63	118
64	106
65	52
66	100
67	2
68	42
69	20

[1, 2, 2, 6, 2, 10, 2, 10, 11, 10, 2, 28, 2, 10, 20, 26, 2, 28, 2, 42, 20, 10, 2, 60, 27, 10, 20, 42, 2, 78, 2, 42, 20, 10, 52, 96, 2, 10, 20, 92, 2, 100, 2, 42, 70, 10, 2, 132, 51, 60, 20, 42, 2, 100, 52, 140, 20, 10, 2, 182, 2, 10, 118, 106, 52, 100, 2, 42, 20]

cp's OEIS Frontend

A297792 a(n) = Sum_{d|n} min(d, n/d)^2.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	10
7	2
8	10
9	11
10	10
11	2
12	28
13	2
14	10
15	20
16	26
17	2
18	28
19	2
20	42
21	20
22	10
23	2
24	60
25	27
26	10
27	20
28	42
29	2
30	78
31	2
32	42
33	20
34	10
35	52
36	96
37	2
38	10
39	20
40	92
41	2
42	100
43	2
44	42
45	70
46	10
47	2
48	132
49	51
50	60
51	20
52	42
53	2
54	100
55	52
56	140
57	20
58	10
59	2
60	182
61	2
62	10
63	118
64	106
65	52
66	100
67	2
68	42
69	20

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	10
7	2
8	10
9	11
10	10
11	2
12	28
13	2
14	10
15	20
16	26
17	2
18	28
19	2
20	42
21	20
22	10
23	2
24	60
25	27
26	10
27	20
28	42
29	2
30	78
31	2
32	42
33	20
34	10
35	52
36	96
37	2
38	10
39	20
40	92
41	2
42	100
43	2
44	42
45	70
46	10
47	2
48	132
49	51
50	60
51	20
52	42
53	2
54	100
55	52
56	140
57	20
58	10
59	2
60	182
61	2
62	10
63	118
64	106
65	52
66	100
67	2
68	42
69	20

n	a(n)
1	1
2	2
3	2
4	6
5	2
6	10
7	2
8	10
9	11
10	10
11	2
12	28
13	2
14	10
15	20
16	26
17	2
18	28
19	2
20	42
21	20
22	10
23	2
24	60
25	27
26	10
27	20
28	42
29	2
30	78
31	2
32	42
33	20
34	10
35	52
36	96
37	2
38	10
39	20
40	92
41	2
42	100
43	2
44	42
45	70
46	10
47	2
48	132
49	51
50	60
51	20
52	42
53	2
54	100
55	52
56	140
57	20
58	10
59	2
60	182
61	2
62	10
63	118
64	106
65	52
66	100
67	2
68	42
69	20