A339056 - cp's OEIS frontend

A339056 Smallest integer k such that d(k^2)/d(k) = 2n-1, where d(k) is the number of divisors of k.

n	a(n)
1	1
2	144
3	3600
4	1511654400000000
5	1587600
6	13168189440000
7	177844628505600000000
8	192099600
9	76839840000
10	4757720360193884160000
11	439167347942400000000
12	5037669383908052497858560000000000
13	32464832400
14	811620810000
15	831099709440000

[1, 144, 3600, 1511654400000000, 1587600, 13168189440000, 177844628505600000000, 192099600, 76839840000, 4757720360193884160000, 439167347942400000000, 5037669383908052497858560000000000, 32464832400, 811620810000, 831099709440000]

cp's OEIS Frontend

A339056 Smallest integer k such that d(k^2)/d(k) = 2n-1, where d(k) is the number of divisors of k.

Table of values

List of values