A066293 - cp's OEIS frontend

A066293 a(n) = A000203(n)^2 - A001157(n) = sigma(n)^2 - sigma_2(n).

n	a(n)
1	0
2	4
3	6
4	28
5	10
6	94
7	14
8	140
9	78
10	194
11	22
12	574
13	26
14	326
15	316
16	620
17	34
18	1066
19	38
20	1218
21	524
22	686
23	46
24	2750
25	310
26	914
27	780
28	2086
29	58
30	3884
31	62
32	2604
33	1084
34	1466
35	1004
36	6370
37	74
38	1790
39	1436
40	5890
41	82
42	6716
43	86
44	4494
45	3718
46	2534
47	94
48	11966
49	798
50	5394
51	2284

[0, 4, 6, 28, 10, 94, 14, 140, 78, 194, 22, 574, 26, 326, 316, 620, 34, 1066, 38, 1218, 524, 686, 46, 2750, 310, 914, 780, 2086, 58, 3884, 62, 2604, 1084, 1466, 1004, 6370, 74, 1790, 1436, 5890, 82, 6716, 86, 4494, 3718, 2534, 94, 11966, 798, 5394, 2284]

cp's OEIS Frontend

A066293 a(n) = A000203(n)^2 - A001157(n) = sigma(n)^2 - sigma_2(n).

Table of values

List of values