A187822 - cp's OEIS frontend

A187822 Smallest k such that the partial sums of the divisors of k (taken in increasing order) contain exactly n primes.

n	a(n)
0	1
1	2
2	4
3	16
4	64
5	140
6	440
7	700
8	1650
9	2304
10	5180
11	3960
12	3900
13	14400
14	15600
15	43560
16	39600
17	57600
18	56700
19	81900
20	25200
21	112896
22	100100
23	177840
24	198000
25	411840
26	222768
27	226800
28	637560
29	752400
30	556920
31	907200
32	409500
33	565488
34	1306800
35	1984500
36	1884960

[1, 2, 4, 16, 64, 140, 440, 700, 1650, 2304, 5180, 3960, 3900, 14400, 15600, 43560, 39600, 57600, 56700, 81900, 25200, 112896, 100100, 177840, 198000, 411840, 222768, 226800, 637560, 752400, 556920, 907200, 409500, 565488, 1306800, 1984500, 1884960]

cp's OEIS Frontend

A187822 Smallest k such that the partial sums of the divisors of k (taken in increasing order) contain exactly n primes.

Table of values

List of values