A297841 - cp's OEIS frontend

A297841 a(n) = Sum_{d|n} max(d, n/d)^2.

n	a(n)
1	1
2	8
3	18
4	36
5	50
6	90
7	98
8	160
9	171
10	250
11	242
12	392
13	338
14	490
15	500
16	656
17	578
18	882
19	722
20	1050
21	980
22	1210
23	1058
24	1640
25	1275
26	1690
27	1620
28	2058
29	1682
30	2522
31	1922
32	2688
33	2420
34	2890
35	2548
36	3726
37	2738
38	3610
39	3380
40	4328
41	3362
42	4900
43	3698
44	5082
45	4662
46	5290
47	4418
48	6688

[1, 8, 18, 36, 50, 90, 98, 160, 171, 250, 242, 392, 338, 490, 500, 656, 578, 882, 722, 1050, 980, 1210, 1058, 1640, 1275, 1690, 1620, 2058, 1682, 2522, 1922, 2688, 2420, 2890, 2548, 3726, 2738, 3610, 3380, 4328, 3362, 4900, 3698, 5082, 4662, 5290, 4418, 6688]

cp's OEIS Frontend

A297841 a(n) = Sum_{d|n} max(d, n/d)^2.

Table of values

List of values