A083540 - cp's OEIS frontend

A083540 Numbers k such that A083539(k) is a square; solutions x to sigma(x+1)*sigma(x)=y^2 for some y.

n	a(n)
1	14
2	30
3	51
4	161
5	186
6	206
7	223
8	329
9	552
10	713
11	759
12	869
13	957
14	994
15	995
16	1248
17	1334
18	1364
19	1634
20	1715
21	1819
22	2093
23	2133
24	2584
25	2685
26	2820
27	2821
28	2974
29	3115
30	3145
31	3485
32	4212
33	4308
34	4312
35	4364
36	4408
37	4649

[14, 30, 51, 161, 186, 206, 223, 329, 552, 713, 759, 869, 957, 994, 995, 1248, 1334, 1364, 1634, 1715, 1819, 2093, 2133, 2584, 2685, 2820, 2821, 2974, 3115, 3145, 3485, 4212, 4308, 4312, 4364, 4408, 4649]

cp's OEIS Frontend

A083540 Numbers k such that A083539(k) is a square; solutions x to sigma(x+1)*sigma(x)=y^2 for some y.

Table of values

List of values