A213420 - cp's OEIS frontend

A213420 Smallest number k such that the sum of prime factors of k (counted with multiplicity) is n times a square > 1.

n	a(n)
1	4
2	15
3	35
4	39
5	51
6	95
7	115
8	87
9	155
10	111
11	123
12	215
13	235
14	159
15	371
16	183
17	302
18	335
19	219
20	511
21	395
22	415
23	267
24	623
25	291
26	303
27	482
28	327
29	339
30	791
31	554
32	1415
33	635
34	655
35	411
36	695
37	662
38	447
39	698
40	471
41	734
42	815
43	835
44	519
45	1211
46	543
47	842
48	1991
49	579
50	591
51	914
52	2167
53	2587

[4, 15, 35, 39, 51, 95, 115, 87, 155, 111, 123, 215, 235, 159, 371, 183, 302, 335, 219, 511, 395, 415, 267, 623, 291, 303, 482, 327, 339, 791, 554, 1415, 635, 655, 411, 695, 662, 447, 698, 471, 734, 815, 835, 519, 1211, 543, 842, 1991, 579, 591, 914, 2167, 2587]

cp's OEIS Frontend

A213420 Smallest number k such that the sum of prime factors of k (counted with multiplicity) is n times a square > 1.

Table of values

List of values