A076203 - cp's OEIS frontend

A076203 Numbers n such that the sum of the digits of 2^n is prime.

n	a(n)
1	1
2	4
3	5
4	7
5	8
6	10
7	12
8	18
9	19
10	20
11	23
12	24
13	25
14	28
15	29
16	30
17	31
18	34
19	35
20	38
21	39
22	40
23	48
24	52
25	63
26	66
27	68
28	69
29	72
30	81
31	87
32	89
33	92
34	94
35	96
36	97
37	99
38	101
39	119
40	121
41	125
42	132
43	133
44	145
45	146
46	148
47	153
48	158
49	162
50	164
51	165
52	167
53	175
54	177
55	184
56	187
57	191

[1, 4, 5, 7, 8, 10, 12, 18, 19, 20, 23, 24, 25, 28, 29, 30, 31, 34, 35, 38, 39, 40, 48, 52, 63, 66, 68, 69, 72, 81, 87, 89, 92, 94, 96, 97, 99, 101, 119, 121, 125, 132, 133, 145, 146, 148, 153, 158, 162, 164, 165, 167, 175, 177, 184, 187, 191]

cp's OEIS Frontend

A076203 Numbers n such that the sum of the digits of 2^n is prime.

Table of values

List of values

n	a(n)
1	1
2	4
3	5
4	7
5	8
6	10
7	12
8	18
9	19
10	20
11	23
12	24
13	25
14	28
15	29
16	30
17	31
18	34
19	35
20	38
21	39
22	40
23	48
24	52
25	63
26	66
27	68
28	69
29	72
30	81
31	87
32	89
33	92
34	94
35	96
36	97
37	99
38	101
39	119
40	121
41	125
42	132
43	133
44	145
45	146
46	148
47	153
48	158
49	162
50	164
51	165
52	167
53	175
54	177
55	184
56	187
57	191

n	a(n)
1	1
2	4
3	5
4	7
5	8
6	10
7	12
8	18
9	19
10	20
11	23
12	24
13	25
14	28
15	29
16	30
17	31
18	34
19	35
20	38
21	39
22	40
23	48
24	52
25	63
26	66
27	68
28	69
29	72
30	81
31	87
32	89
33	92
34	94
35	96
36	97
37	99
38	101
39	119
40	121
41	125
42	132
43	133
44	145
45	146
46	148
47	153
48	158
49	162
50	164
51	165
52	167
53	175
54	177
55	184
56	187
57	191

n	a(n)
1	1
2	4
3	5
4	7
5	8
6	10
7	12
8	18
9	19
10	20
11	23
12	24
13	25
14	28
15	29
16	30
17	31
18	34
19	35
20	38
21	39
22	40
23	48
24	52
25	63
26	66
27	68
28	69
29	72
30	81
31	87
32	89
33	92
34	94
35	96
36	97
37	99
38	101
39	119
40	121
41	125
42	132
43	133
44	145
45	146
46	148
47	153
48	158
49	162
50	164
51	165
52	167
53	175
54	177
55	184
56	187
57	191