A361905 - cp's OEIS frontend

A361905 Numbers k for which sqrt(k/2) divides k and the width at the diagonal of the symmetric representation of sigma(k) equals 1.

n	a(n)
1	2
2	8
3	18
4	32
5	50
6	98
7	128
8	162
9	200
10	242
11	338
12	392
13	512
14	578
15	722
16	882
17	968
18	1058
19	1250
20	1352
21	1458
22	1682
23	1922
24	2048
25	2178
26	2312
27	2738
28	2888
29	3042
30	3362
31	3698
32	3872
33	4232
34	4418
35	4802
36	5000
37	5202
38	5408
39	5618
40	6050
41	6498
42	6728
43	6962
44	7442
45	7688
46	8192
47	8450
48	8978
49	9248
50	9522

[2, 8, 18, 32, 50, 98, 128, 162, 200, 242, 338, 392, 512, 578, 722, 882, 968, 1058, 1250, 1352, 1458, 1682, 1922, 2048, 2178, 2312, 2738, 2888, 3042, 3362, 3698, 3872, 4232, 4418, 4802, 5000, 5202, 5408, 5618, 6050, 6498, 6728, 6962, 7442, 7688, 8192, 8450, 8978, 9248, 9522]

cp's OEIS Frontend

A361905 Numbers k for which sqrt(k/2) divides k and the width at the diagonal of the symmetric representation of sigma(k) equals 1.

Table of values

List of values