A335396 - cp's OEIS frontend

A335396 Numbers m such that sigma(m)/esigma(m) > sigma(k)/esigma(k) for all k < m, where sigma(m) is the sum of divisors of m (A000203) and esigma(m) is the sum of exponential divisors of m (A051377).

n	a(n)
1	1
2	2
3	6
4	30
5	96
6	210
7	480
8	1920
9	3360
10	13440
11	36960
12	147840
13	480480
14	1921920
15	8168160
16	11975040
17	32672640
18	155675520
19	620780160
20	1401079680
21	2490808320
22	2646483840

[1, 2, 6, 30, 96, 210, 480, 1920, 3360, 13440, 36960, 147840, 480480, 1921920, 8168160, 11975040, 32672640, 155675520, 620780160, 1401079680, 2490808320, 2646483840]

cp's OEIS Frontend

A335396 Numbers m such that sigma(m)/esigma(m) > sigma(k)/esigma(k) for all k < m, where sigma(m) is the sum of divisors of m (A000203) and esigma(m) is the sum of exponential divisors of m (A051377).

Table of values

List of values