A344596 - cp's OEIS frontend

A344596 a(n) = Sum_{k=1..n} mu(k) * (floor(n/k)^3 - floor((n-1)/k)^3).

n	a(n)
1	1
2	6
3	18
4	30
5	60
6	66
7	126
8	132
9	198
10	204
11	330
12	276
13	468
14	414
15	552
16	552
17	816
18	630
19	1026
20	840
21	1116
22	1050
23	1518
24	1128
25	1740
26	1476
27	1890
28	1692
29	2436
30	1704
31	2790
32	2256
33	2820
34	2544
35	3384
36	2556
37	3996
38	3186
39	3960
40	3408
41	4920
42	3420
43	5418
44	4260
45	5112
46	4686
47	6486
48	4560
49	6930
50	5340
51	6816

[1, 6, 18, 30, 60, 66, 126, 132, 198, 204, 330, 276, 468, 414, 552, 552, 816, 630, 1026, 840, 1116, 1050, 1518, 1128, 1740, 1476, 1890, 1692, 2436, 1704, 2790, 2256, 2820, 2544, 3384, 2556, 3996, 3186, 3960, 3408, 4920, 3420, 5418, 4260, 5112, 4686, 6486, 4560, 6930, 5340, 6816]

cp's OEIS Frontend

A344596 a(n) = Sum_{k=1..n} mu(k) * (floor(n/k)^3 - floor((n-1)/k)^3).

Table of values

List of values