A355431 - cp's OEIS frontend

A355431 Numbers k whose binary expansion, when interpreted in base -1+i, gives a Gaussian prime.

n	a(n)
1	2
2	5
3	6
4	9
5	11
6	13
7	14
8	15
9	17
10	19
11	21
12	23
13	25
14	27
15	31
16	33
17	37
18	39
19	41
20	43
21	49
22	51
23	53
24	57
25	58
26	59
27	63
28	69
29	71
30	73
31	77
32	81
33	83
34	89
35	97
36	99
37	101
38	111
39	113
40	117
41	119
42	123
43	127
44	129
45	131
46	133
47	137
48	139
49	141
50	147
51	159
52	163
53	169
54	177
55	183
56	191
57	193
58	197
59	201
60	207

[2, 5, 6, 9, 11, 13, 14, 15, 17, 19, 21, 23, 25, 27, 31, 33, 37, 39, 41, 43, 49, 51, 53, 57, 58, 59, 63, 69, 71, 73, 77, 81, 83, 89, 97, 99, 101, 111, 113, 117, 119, 123, 127, 129, 131, 133, 137, 139, 141, 147, 159, 163, 169, 177, 183, 191, 193, 197, 201, 207]

cp's OEIS Frontend

A355431 Numbers k whose binary expansion, when interpreted in base -1+i, gives a Gaussian prime.

Table of values

List of values

n	a(n)
1	2
2	5
3	6
4	9
5	11
6	13
7	14
8	15
9	17
10	19
11	21
12	23
13	25
14	27
15	31
16	33
17	37
18	39
19	41
20	43
21	49
22	51
23	53
24	57
25	58
26	59
27	63
28	69
29	71
30	73
31	77
32	81
33	83
34	89
35	97
36	99
37	101
38	111
39	113
40	117
41	119
42	123
43	127
44	129
45	131
46	133
47	137
48	139
49	141
50	147
51	159
52	163
53	169
54	177
55	183
56	191
57	193
58	197
59	201
60	207

n	a(n)
1	2
2	5
3	6
4	9
5	11
6	13
7	14
8	15
9	17
10	19
11	21
12	23
13	25
14	27
15	31
16	33
17	37
18	39
19	41
20	43
21	49
22	51
23	53
24	57
25	58
26	59
27	63
28	69
29	71
30	73
31	77
32	81
33	83
34	89
35	97
36	99
37	101
38	111
39	113
40	117
41	119
42	123
43	127
44	129
45	131
46	133
47	137
48	139
49	141
50	147
51	159
52	163
53	169
54	177
55	183
56	191
57	193
58	197
59	201
60	207

n	a(n)
1	2
2	5
3	6
4	9
5	11
6	13
7	14
8	15
9	17
10	19
11	21
12	23
13	25
14	27
15	31
16	33
17	37
18	39
19	41
20	43
21	49
22	51
23	53
24	57
25	58
26	59
27	63
28	69
29	71
30	73
31	77
32	81
33	83
34	89
35	97
36	99
37	101
38	111
39	113
40	117
41	119
42	123
43	127
44	129
45	131
46	133
47	137
48	139
49	141
50	147
51	159
52	163
53	169
54	177
55	183
56	191
57	193
58	197
59	201
60	207