A344509 - cp's OEIS frontend

A344509 a(n) = (1/n) * Sum_{k=1..n} k * lcm(k,n).

n	a(n)
1	1
2	3
3	8
4	16
5	35
6	45
7	98
8	116
9	183
10	215
11	396
12	316
13	663
14	609
15	750
16	912
17	1513
18	1107
19	2128
20	1560
21	2135
22	2453
23	3818
24	2428
25	4325
26	4095
27	4914
28	4452
29	7743
30	4425
31	9486
32	7280
33	8613
34	9299
35	10640
36	8088
37	16243
38	13053
39	14378
40	12100
41	22181
42	12663
43	25628
44	17996
45	19305
46	23345
47	33558
48	19200
49	34251
50	26075

[1, 3, 8, 16, 35, 45, 98, 116, 183, 215, 396, 316, 663, 609, 750, 912, 1513, 1107, 2128, 1560, 2135, 2453, 3818, 2428, 4325, 4095, 4914, 4452, 7743, 4425, 9486, 7280, 8613, 9299, 10640, 8088, 16243, 13053, 14378, 12100, 22181, 12663, 25628, 17996, 19305, 23345, 33558, 19200, 34251, 26075]

cp's OEIS Frontend

A344509 a(n) = (1/n) * Sum_{k=1..n} k * lcm(k,n).

Table of values

List of values