A333465 - cp's OEIS frontend

A333465 a(n) = Sum_{k=1..n} ceiling(n/k) * gcd(n,k).

n	a(n)
1	1
2	4
3	8
4	14
5	17
6	30
7	27
8	43
9	47
10	62
11	48
12	97
13	60
14	96
15	114
16	123
17	83
18	167
19	95
20	195
21	177
22	170
23	119
24	283
25	181
26	209
27	230
28	300
29	158
30	401
31	172
32	330
33	308
34	288
35	348
36	517
37	213
38	329
39	377
40	560
41	239
42	613
43	253
44	522
45	599
46	413
47	279
48	776
49	415
50	624
51	520
52	640
53	322
54	793
55	604
56	854
57	594
58	543
59	364
60	1220

[1, 4, 8, 14, 17, 30, 27, 43, 47, 62, 48, 97, 60, 96, 114, 123, 83, 167, 95, 195, 177, 170, 119, 283, 181, 209, 230, 300, 158, 401, 172, 330, 308, 288, 348, 517, 213, 329, 377, 560, 239, 613, 253, 522, 599, 413, 279, 776, 415, 624, 520, 640, 322, 793, 604, 854, 594, 543, 364, 1220]

cp's OEIS Frontend

A333465 a(n) = Sum_{k=1..n} ceiling(n/k) * gcd(n,k).

Table of values

List of values