A076234 - cp's OEIS frontend

A076234 Numbers k such that sigma(k)/k, sigma_3(k)/k, sigma_5(k)/k and sigma_7(k)/k are all integers.

n	a(n)
1	1
2	6
3	120
4	672
5	30240
6	32760
7	33550336
8	459818240
9	1379454720
10	8589869056
11	31998395520
12	51001180160
13	137438691328
14	153003540480
15	30823866178560
16	796928461056000
17	6088728021160320
18	212517062615531520
19	2305843008139952128
20	69357059049509038080
21	143573364313605309726720

[1, 6, 120, 672, 30240, 32760, 33550336, 459818240, 1379454720, 8589869056, 31998395520, 51001180160, 137438691328, 153003540480, 30823866178560, 796928461056000, 6088728021160320, 212517062615531520, 2305843008139952128, 69357059049509038080, 143573364313605309726720]

cp's OEIS Frontend

A076234 Numbers k such that sigma(k)/k, sigma_3(k)/k, sigma_5(k)/k and sigma_7(k)/k are all integers.

Table of values

List of values