A228119 - cp's OEIS frontend

A228119 Numbers n such that n * (product of digits of n) + 1 is prime.

n	a(n)
1	1
2	2
3	4
4	6
5	16
6	21
7	22
8	23
9	24
10	25
11	26
12	27
13	28
14	29
15	32
16	34
17	42
18	52
19	61
20	65
21	66
22	69
23	72
24	83
25	84
26	86
27	92
28	98
29	114
30	123
31	134
32	138
33	161
34	165
35	169
36	176
37	186
38	192
39	213
40	216
41	219
42	222
43	223
44	228
45	239
46	249
47	253
48	256
49	258
50	259
51	265
52	273
53	286
54	289
55	292
56	293
57	294
58	297

[1, 2, 4, 6, 16, 21, 22, 23, 24, 25, 26, 27, 28, 29, 32, 34, 42, 52, 61, 65, 66, 69, 72, 83, 84, 86, 92, 98, 114, 123, 134, 138, 161, 165, 169, 176, 186, 192, 213, 216, 219, 222, 223, 228, 239, 249, 253, 256, 258, 259, 265, 273, 286, 289, 292, 293, 294, 297]

cp's OEIS Frontend

A228119 Numbers n such that n * (product of digits of n) + 1 is prime.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	6
5	16
6	21
7	22
8	23
9	24
10	25
11	26
12	27
13	28
14	29
15	32
16	34
17	42
18	52
19	61
20	65
21	66
22	69
23	72
24	83
25	84
26	86
27	92
28	98
29	114
30	123
31	134
32	138
33	161
34	165
35	169
36	176
37	186
38	192
39	213
40	216
41	219
42	222
43	223
44	228
45	239
46	249
47	253
48	256
49	258
50	259
51	265
52	273
53	286
54	289
55	292
56	293
57	294
58	297

n	a(n)
1	1
2	2
3	4
4	6
5	16
6	21
7	22
8	23
9	24
10	25
11	26
12	27
13	28
14	29
15	32
16	34
17	42
18	52
19	61
20	65
21	66
22	69
23	72
24	83
25	84
26	86
27	92
28	98
29	114
30	123
31	134
32	138
33	161
34	165
35	169
36	176
37	186
38	192
39	213
40	216
41	219
42	222
43	223
44	228
45	239
46	249
47	253
48	256
49	258
50	259
51	265
52	273
53	286
54	289
55	292
56	293
57	294
58	297

n	a(n)
1	1
2	2
3	4
4	6
5	16
6	21
7	22
8	23
9	24
10	25
11	26
12	27
13	28
14	29
15	32
16	34
17	42
18	52
19	61
20	65
21	66
22	69
23	72
24	83
25	84
26	86
27	92
28	98
29	114
30	123
31	134
32	138
33	161
34	165
35	169
36	176
37	186
38	192
39	213
40	216
41	219
42	222
43	223
44	228
45	239
46	249
47	253
48	256
49	258
50	259
51	265
52	273
53	286
54	289
55	292
56	293
57	294
58	297