A175908 - cp's OEIS frontend

A175908 3*sum(k=1..n, floor(k^2/n)) - n^2.

n	a(n)
1	2
2	2
3	3
4	5
5	2
6	3
7	5
8	8
9	6
10	2
11	5
12	9
13	2
14	5
15	9
16	14
17	2
18	6
19	5
20	11
21	6
22	5
23	11
24	18
25	8
26	2
27	9
28	11
29	2
30	9
31	11
32	20
33	6
34	2
35	11
36	21
37	2
38	5
39	15
40	20
41	2
42	6
43	5
44	17
45	12
46	11
47	17
48	30
49	14
50	8
51	9
52	11
53	2
54	9
55	17
56	26
57	6
58	2
59	11
60	27
61	2
62	11
63	21
64	32
65	2
66	6
67	5
68	17
69	12
70	11
71	23
72	36
73	2
74	2
75	21
76	17
77	8
78	15
79	17
80	38

[2, 2, 3, 5, 2, 3, 5, 8, 6, 2, 5, 9, 2, 5, 9, 14, 2, 6, 5, 11, 6, 5, 11, 18, 8, 2, 9, 11, 2, 9, 11, 20, 6, 2, 11, 21, 2, 5, 15, 20, 2, 6, 5, 17, 12, 11, 17, 30, 14, 8, 9, 11, 2, 9, 17, 26, 6, 2, 11, 27, 2, 11, 21, 32, 2, 6, 5, 17, 12, 11, 23, 36, 2, 2, 21, 17, 8, 15, 17, 38]

cp's OEIS Frontend

A175908 3*sum(k=1..n, floor(k^2/n)) - n^2.

Table of values

List of values

n	a(n)
1	2
2	2
3	3
4	5
5	2
6	3
7	5
8	8
9	6
10	2
11	5
12	9
13	2
14	5
15	9
16	14
17	2
18	6
19	5
20	11
21	6
22	5
23	11
24	18
25	8
26	2
27	9
28	11
29	2
30	9
31	11
32	20
33	6
34	2
35	11
36	21
37	2
38	5
39	15
40	20
41	2
42	6
43	5
44	17
45	12
46	11
47	17
48	30
49	14
50	8
51	9
52	11
53	2
54	9
55	17
56	26
57	6
58	2
59	11
60	27
61	2
62	11
63	21
64	32
65	2
66	6
67	5
68	17
69	12
70	11
71	23
72	36
73	2
74	2
75	21
76	17
77	8
78	15
79	17
80	38

n	a(n)
1	2
2	2
3	3
4	5
5	2
6	3
7	5
8	8
9	6
10	2
11	5
12	9
13	2
14	5
15	9
16	14
17	2
18	6
19	5
20	11
21	6
22	5
23	11
24	18
25	8
26	2
27	9
28	11
29	2
30	9
31	11
32	20
33	6
34	2
35	11
36	21
37	2
38	5
39	15
40	20
41	2
42	6
43	5
44	17
45	12
46	11
47	17
48	30
49	14
50	8
51	9
52	11
53	2
54	9
55	17
56	26
57	6
58	2
59	11
60	27
61	2
62	11
63	21
64	32
65	2
66	6
67	5
68	17
69	12
70	11
71	23
72	36
73	2
74	2
75	21
76	17
77	8
78	15
79	17
80	38

n	a(n)
1	2
2	2
3	3
4	5
5	2
6	3
7	5
8	8
9	6
10	2
11	5
12	9
13	2
14	5
15	9
16	14
17	2
18	6
19	5
20	11
21	6
22	5
23	11
24	18
25	8
26	2
27	9
28	11
29	2
30	9
31	11
32	20
33	6
34	2
35	11
36	21
37	2
38	5
39	15
40	20
41	2
42	6
43	5
44	17
45	12
46	11
47	17
48	30
49	14
50	8
51	9
52	11
53	2
54	9
55	17
56	26
57	6
58	2
59	11
60	27
61	2
62	11
63	21
64	32
65	2
66	6
67	5
68	17
69	12
70	11
71	23
72	36
73	2
74	2
75	21
76	17
77	8
78	15
79	17
80	38