A356573 - cp's OEIS frontend

A356573 Sigma-dense numbers: integers k such that sigma(k) * log(1+log(1+log(1+k))) / (k * log(1+log(1+k))) sets a new record.

n	a(n)
1	1
2	2
3	4
4	6
5	12
6	24
7	60
8	120
9	240
10	360
11	720
12	840
13	1260
14	1680
15	2520
16	5040
17	10080
18	15120
19	27720
20	55440
21	110880
22	166320
23	277200
24	332640
25	554400
26	720720
27	1441440
28	2162160
29	3603600
30	4324320
31	7207200
32	10810800
33	21621600
34	36756720
35	61261200
36	73513440
37	122522400
38	183783600

[1, 2, 4, 6, 12, 24, 60, 120, 240, 360, 720, 840, 1260, 1680, 2520, 5040, 10080, 15120, 27720, 55440, 110880, 166320, 277200, 332640, 554400, 720720, 1441440, 2162160, 3603600, 4324320, 7207200, 10810800, 21621600, 36756720, 61261200, 73513440, 122522400, 183783600]

cp's OEIS Frontend

A356573 Sigma-dense numbers: integers k such that sigma(k) * log(1+log(1+log(1+k))) / (k * log(1+log(1+k))) sets a new record.

Table of values

List of values