A379009 - cp's OEIS frontend

A379009 a(n) = 2*n^2 XOR 1+sigma(n^2).

n	a(n)
1	0
2	0
3	28
4	0
5	18
6	20
7	88
8	0
9	216
10	18
11	116
12	180
13	490
14	24
15	86
16	0
17	886
18	472
19	940
20	226
21	404
22	108
23	1544
24	756
25	2028
26	74
27	500
28	200
29	1530
30	3086
31	1120
32	0
33	3648
34	366
35	3962
36	1160
37	3890
38	292
39	686
40	994
41	2974
42	6540
43	2324
44	7996
45	378
46	8104
47	6544
48	3060
49	6192
50	1748
51	7114
52	778
53	7874
54	2860
55	1982
56	1224
57	2616
58	3482
59	5860
60	11502
61	5082

[0, 0, 28, 0, 18, 20, 88, 0, 216, 18, 116, 180, 490, 24, 86, 0, 886, 472, 940, 226, 404, 108, 1544, 756, 2028, 74, 500, 200, 1530, 3086, 1120, 0, 3648, 366, 3962, 1160, 3890, 292, 686, 994, 2974, 6540, 2324, 7996, 378, 8104, 6544, 3060, 6192, 1748, 7114, 778, 7874, 2860, 1982, 1224, 2616, 3482, 5860, 11502, 5082]

cp's OEIS Frontend

A379009 a(n) = 2*n^2 XOR 1+sigma(n^2).

Table of values

List of values