A050705 - cp's OEIS frontend

A050705 Composite number such that when sum of its prime factors is added or subtracted becomes prime.

n	a(n)
1	10
2	12
3	14
4	15
5	20
6	21
7	26
8	33
9	35
10	38
11	44
12	48
13	51
14	65
15	68
16	86
17	93
18	96
19	111
20	112
21	116
22	123
23	161
24	188
25	201
26	203
27	206
28	209
29	210
30	215
31	221
32	278
33	297
34	300
35	304
36	306
37	321
38	352
39	356
40	371
41	384
42	395
43	398
44	413
45	420
46	441
47	471
48	485
49	524
50	533
51	543
52	545
53	546
54	551
55	570
56	626

[10, 12, 14, 15, 20, 21, 26, 33, 35, 38, 44, 48, 51, 65, 68, 86, 93, 96, 111, 112, 116, 123, 161, 188, 201, 203, 206, 209, 210, 215, 221, 278, 297, 300, 304, 306, 321, 352, 356, 371, 384, 395, 398, 413, 420, 441, 471, 485, 524, 533, 543, 545, 546, 551, 570, 626]

cp's OEIS Frontend

A050705 Composite number such that when sum of its prime factors is added or subtracted becomes prime.

Table of values

List of values

n	a(n)
1	10
2	12
3	14
4	15
5	20
6	21
7	26
8	33
9	35
10	38
11	44
12	48
13	51
14	65
15	68
16	86
17	93
18	96
19	111
20	112
21	116
22	123
23	161
24	188
25	201
26	203
27	206
28	209
29	210
30	215
31	221
32	278
33	297
34	300
35	304
36	306
37	321
38	352
39	356
40	371
41	384
42	395
43	398
44	413
45	420
46	441
47	471
48	485
49	524
50	533
51	543
52	545
53	546
54	551
55	570
56	626

n	a(n)
1	10
2	12
3	14
4	15
5	20
6	21
7	26
8	33
9	35
10	38
11	44
12	48
13	51
14	65
15	68
16	86
17	93
18	96
19	111
20	112
21	116
22	123
23	161
24	188
25	201
26	203
27	206
28	209
29	210
30	215
31	221
32	278
33	297
34	300
35	304
36	306
37	321
38	352
39	356
40	371
41	384
42	395
43	398
44	413
45	420
46	441
47	471
48	485
49	524
50	533
51	543
52	545
53	546
54	551
55	570
56	626

n	a(n)
1	10
2	12
3	14
4	15
5	20
6	21
7	26
8	33
9	35
10	38
11	44
12	48
13	51
14	65
15	68
16	86
17	93
18	96
19	111
20	112
21	116
22	123
23	161
24	188
25	201
26	203
27	206
28	209
29	210
30	215
31	221
32	278
33	297
34	300
35	304
36	306
37	321
38	352
39	356
40	371
41	384
42	395
43	398
44	413
45	420
46	441
47	471
48	485
49	524
50	533
51	543
52	545
53	546
54	551
55	570
56	626