A139749 - cp's OEIS frontend

A139749 Numbers n such that d_1^r + ... + d_r^1 is a prime number, where d_i are the digits of n (n = d_1, ..., d_r).

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	14
8	16
9	21
10	23
11	27
12	29
13	32
14	34
15	38
16	41
17	43
18	47
19	54
20	56
21	61
22	65
23	67
24	74
25	83
26	87
27	89
28	92
29	98
30	101
31	102
32	104
33	106
34	110
35	111
36	113
37	115
38	119
39	120
40	122
41	126
42	128
43	131
44	133
45	137
46	139
47	140
48	142
49	146
50	153
51	155
52	160
53	164
54	166
55	173
56	179
57	182
58	186
59	188
60	191

[2, 3, 5, 7, 11, 12, 14, 16, 21, 23, 27, 29, 32, 34, 38, 41, 43, 47, 54, 56, 61, 65, 67, 74, 83, 87, 89, 92, 98, 101, 102, 104, 106, 110, 111, 113, 115, 119, 120, 122, 126, 128, 131, 133, 137, 139, 140, 142, 146, 153, 155, 160, 164, 166, 173, 179, 182, 186, 188, 191]

cp's OEIS Frontend

A139749 Numbers n such that d_1^r + ... + d_r^1 is a prime number, where d_i are the digits of n (n = d_1, ..., d_r).

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	14
8	16
9	21
10	23
11	27
12	29
13	32
14	34
15	38
16	41
17	43
18	47
19	54
20	56
21	61
22	65
23	67
24	74
25	83
26	87
27	89
28	92
29	98
30	101
31	102
32	104
33	106
34	110
35	111
36	113
37	115
38	119
39	120
40	122
41	126
42	128
43	131
44	133
45	137
46	139
47	140
48	142
49	146
50	153
51	155
52	160
53	164
54	166
55	173
56	179
57	182
58	186
59	188
60	191

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	14
8	16
9	21
10	23
11	27
12	29
13	32
14	34
15	38
16	41
17	43
18	47
19	54
20	56
21	61
22	65
23	67
24	74
25	83
26	87
27	89
28	92
29	98
30	101
31	102
32	104
33	106
34	110
35	111
36	113
37	115
38	119
39	120
40	122
41	126
42	128
43	131
44	133
45	137
46	139
47	140
48	142
49	146
50	153
51	155
52	160
53	164
54	166
55	173
56	179
57	182
58	186
59	188
60	191

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	14
8	16
9	21
10	23
11	27
12	29
13	32
14	34
15	38
16	41
17	43
18	47
19	54
20	56
21	61
22	65
23	67
24	74
25	83
26	87
27	89
28	92
29	98
30	101
31	102
32	104
33	106
34	110
35	111
36	113
37	115
38	119
39	120
40	122
41	126
42	128
43	131
44	133
45	137
46	139
47	140
48	142
49	146
50	153
51	155
52	160
53	164
54	166
55	173
56	179
57	182
58	186
59	188
60	191