A345306 - cp's OEIS frontend

A345306 a(n) = n * Sum_{p|n, p prime} lcm(p,n/p) / p.

n	a(n)
1	0
2	2
3	3
4	4
5	5
6	30
7	7
8	16
9	9
10	70
11	11
12	84
13	13
14	126
15	120
16	64
17	17
18	198
19	19
20	180
21	210
22	286
23	23
24	336
25	25
26	390
27	81
28	308
29	29
30	930
31	31
32	256
33	462
34	646
35	420
36	468
37	37
38	798
39	624
40	720
41	41
42	1722
43	43
44	660
45	630
46	1150
47	47
48	1344
49	49
50	1350
51	1020
52	884
53	53
54	1782
55	880
56	1232
57	1254
58	1798
59	59

[0, 2, 3, 4, 5, 30, 7, 16, 9, 70, 11, 84, 13, 126, 120, 64, 17, 198, 19, 180, 210, 286, 23, 336, 25, 390, 81, 308, 29, 930, 31, 256, 462, 646, 420, 468, 37, 798, 624, 720, 41, 1722, 43, 660, 630, 1150, 47, 1344, 49, 1350, 1020, 884, 53, 1782, 880, 1232, 1254, 1798, 59]

cp's OEIS Frontend

A345306 a(n) = n * Sum_{p|n, p prime} lcm(p,n/p) / p.

Table of values

List of values