A352722 - cp's OEIS frontend

A352722 Lexicographically earliest sequence of distinct positive integers such that a(1) = 2 and for any n > 0, a(n) AND a(n+1) is prime (where AND denotes the bitwise AND operator).

n	a(n)
1	2
2	3
3	6
4	10
5	7
6	5
7	13
8	15
9	11
10	18
11	14
12	19
13	17
14	21
15	25
16	23
17	27
18	34
19	22
20	35
21	26
22	38
23	66
24	30
25	67
26	31
27	29
28	37
29	39
30	45
31	41
32	43
33	47
34	53
35	55
36	61
37	63
38	59
39	70
40	42
41	71
42	50
43	74
44	51
45	75
46	54
47	130
48	46
49	82
50	131
51	58
52	134
53	83
54	49
55	81
56	57
57	85
58	133
59	69
60	135
61	77
62	73
63	79
64	87
65	91

[2, 3, 6, 10, 7, 5, 13, 15, 11, 18, 14, 19, 17, 21, 25, 23, 27, 34, 22, 35, 26, 38, 66, 30, 67, 31, 29, 37, 39, 45, 41, 43, 47, 53, 55, 61, 63, 59, 70, 42, 71, 50, 74, 51, 75, 54, 130, 46, 82, 131, 58, 134, 83, 49, 81, 57, 85, 133, 69, 135, 77, 73, 79, 87, 91]

cp's OEIS Frontend

A352722 Lexicographically earliest sequence of distinct positive integers such that a(1) = 2 and for any n > 0, a(n) AND a(n+1) is prime (where AND denotes the bitwise AND operator).

Table of values

List of values

n	a(n)
1	2
2	3
3	6
4	10
5	7
6	5
7	13
8	15
9	11
10	18
11	14
12	19
13	17
14	21
15	25
16	23
17	27
18	34
19	22
20	35
21	26
22	38
23	66
24	30
25	67
26	31
27	29
28	37
29	39
30	45
31	41
32	43
33	47
34	53
35	55
36	61
37	63
38	59
39	70
40	42
41	71
42	50
43	74
44	51
45	75
46	54
47	130
48	46
49	82
50	131
51	58
52	134
53	83
54	49
55	81
56	57
57	85
58	133
59	69
60	135
61	77
62	73
63	79
64	87
65	91

n	a(n)
1	2
2	3
3	6
4	10
5	7
6	5
7	13
8	15
9	11
10	18
11	14
12	19
13	17
14	21
15	25
16	23
17	27
18	34
19	22
20	35
21	26
22	38
23	66
24	30
25	67
26	31
27	29
28	37
29	39
30	45
31	41
32	43
33	47
34	53
35	55
36	61
37	63
38	59
39	70
40	42
41	71
42	50
43	74
44	51
45	75
46	54
47	130
48	46
49	82
50	131
51	58
52	134
53	83
54	49
55	81
56	57
57	85
58	133
59	69
60	135
61	77
62	73
63	79
64	87
65	91

n	a(n)
1	2
2	3
3	6
4	10
5	7
6	5
7	13
8	15
9	11
10	18
11	14
12	19
13	17
14	21
15	25
16	23
17	27
18	34
19	22
20	35
21	26
22	38
23	66
24	30
25	67
26	31
27	29
28	37
29	39
30	45
31	41
32	43
33	47
34	53
35	55
36	61
37	63
38	59
39	70
40	42
41	71
42	50
43	74
44	51
45	75
46	54
47	130
48	46
49	82
50	131
51	58
52	134
53	83
54	49
55	81
56	57
57	85
58	133
59	69
60	135
61	77
62	73
63	79
64	87
65	91