A115958 - cp's OEIS frontend

A115958 Numbers k having exactly 4 distinct prime factors, the largest of which is greater than or equal to sqrt(k) (i.e., sqrt(k)-rough numbers with exactly 4 distinct prime factors).

n	a(n)
1	930
2	1110
3	1230
4	1290
5	1410
6	1590
7	1770
8	1806
9	1830
10	1974
11	2010
12	2130
13	2190
14	2226
15	2370
16	2478
17	2490
18	2562
19	2670
20	2814
21	2910
22	2982
23	3030
24	3066
25	3090
26	3210
27	3270
28	3318
29	3390
30	3486
31	3660
32	3738
33	3810
34	3930
35	4020
36	4074
37	4110
38	4170
39	4242
40	4260
41	4326
42	4380

[930, 1110, 1230, 1290, 1410, 1590, 1770, 1806, 1830, 1974, 2010, 2130, 2190, 2226, 2370, 2478, 2490, 2562, 2670, 2814, 2910, 2982, 3030, 3066, 3090, 3210, 3270, 3318, 3390, 3486, 3660, 3738, 3810, 3930, 4020, 4074, 4110, 4170, 4242, 4260, 4326, 4380]

cp's OEIS Frontend

A115958 Numbers k having exactly 4 distinct prime factors, the largest of which is greater than or equal to sqrt(k) (i.e., sqrt(k)-rough numbers with exactly 4 distinct prime factors).

Table of values

List of values