A280739 - cp's OEIS frontend

A280739 a(n) is the smallest composite number > a(n-1) for which the sum of the prime factors (counted with multiplicity) is n.

n	a(n)
4	4
5	6
6	8
7	10
8	15
9	20
10	21
11	28
12	35
13	56
14	70
15	105
16	140
17	147
18	196
19	198
20	220
21	231
22	260
23	273
24	364
25	455
26	459
27	510
28	513
29	570
30	676
31	798
32	1064
33	1122
34	1242
35	1254
36	1288
37	1463
38	1976
39	2057
40	2277
41	2299
42	2320
43	2436
44	2480
45	2527
46	2552
47	2622
48	2728
49	2997
50	3224
51	3509
52	3885
53	4147
54	4216
55	4433
56	4592
57	4810
58	4816
59	5412
60	5661
61	5676
62	5875
63	6253

[4, 6, 8, 10, 15, 20, 21, 28, 35, 56, 70, 105, 140, 147, 196, 198, 220, 231, 260, 273, 364, 455, 459, 510, 513, 570, 676, 798, 1064, 1122, 1242, 1254, 1288, 1463, 1976, 2057, 2277, 2299, 2320, 2436, 2480, 2527, 2552, 2622, 2728, 2997, 3224, 3509, 3885, 4147, 4216, 4433, 4592, 4810, 4816, 5412, 5661, 5676, 5875, 6253]

cp's OEIS Frontend

A280739 a(n) is the smallest composite number > a(n-1) for which the sum of the prime factors (counted with multiplicity) is n.

Table of values

List of values