A336817 - cp's OEIS frontend

A336817 Lexicographically earliest sequence of distinct positive numbers such that for any n > 0, a(n) XOR a(n+1) is a prime number (where XOR denotes the bitwise XOR operator).

n	a(n)
1	1
2	2
3	5
4	6
5	3
6	4
7	7
8	10
9	8
10	11
11	9
12	12
13	14
14	13
15	15
16	16
17	18
18	17
19	19
20	20
21	22
22	21
23	23
24	26
25	24
26	27
27	25
28	28
29	30
30	29
31	31
32	34
33	32
34	35
35	33
36	36
37	38
38	37
39	39
40	42
41	40
42	43
43	41
44	44
45	46
46	45
47	47
48	48
49	50
50	49
51	51
52	52
53	54
54	53
55	55
56	58
57	56
58	59
59	57
60	60
61	62
62	61
63	63
64	64
65	66
66	65
67	67

[1, 2, 5, 6, 3, 4, 7, 10, 8, 11, 9, 12, 14, 13, 15, 16, 18, 17, 19, 20, 22, 21, 23, 26, 24, 27, 25, 28, 30, 29, 31, 34, 32, 35, 33, 36, 38, 37, 39, 42, 40, 43, 41, 44, 46, 45, 47, 48, 50, 49, 51, 52, 54, 53, 55, 58, 56, 59, 57, 60, 62, 61, 63, 64, 66, 65, 67]

cp's OEIS Frontend

A336817 Lexicographically earliest sequence of distinct positive numbers such that for any n > 0, a(n) XOR a(n+1) is a prime number (where XOR denotes the bitwise XOR operator).

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	6
5	3
6	4
7	7
8	10
9	8
10	11
11	9
12	12
13	14
14	13
15	15
16	16
17	18
18	17
19	19
20	20
21	22
22	21
23	23
24	26
25	24
26	27
27	25
28	28
29	30
30	29
31	31
32	34
33	32
34	35
35	33
36	36
37	38
38	37
39	39
40	42
41	40
42	43
43	41
44	44
45	46
46	45
47	47
48	48
49	50
50	49
51	51
52	52
53	54
54	53
55	55
56	58
57	56
58	59
59	57
60	60
61	62
62	61
63	63
64	64
65	66
66	65
67	67

n	a(n)
1	1
2	2
3	5
4	6
5	3
6	4
7	7
8	10
9	8
10	11
11	9
12	12
13	14
14	13
15	15
16	16
17	18
18	17
19	19
20	20
21	22
22	21
23	23
24	26
25	24
26	27
27	25
28	28
29	30
30	29
31	31
32	34
33	32
34	35
35	33
36	36
37	38
38	37
39	39
40	42
41	40
42	43
43	41
44	44
45	46
46	45
47	47
48	48
49	50
50	49
51	51
52	52
53	54
54	53
55	55
56	58
57	56
58	59
59	57
60	60
61	62
62	61
63	63
64	64
65	66
66	65
67	67

n	a(n)
1	1
2	2
3	5
4	6
5	3
6	4
7	7
8	10
9	8
10	11
11	9
12	12
13	14
14	13
15	15
16	16
17	18
18	17
19	19
20	20
21	22
22	21
23	23
24	26
25	24
26	27
27	25
28	28
29	30
30	29
31	31
32	34
33	32
34	35
35	33
36	36
37	38
38	37
39	39
40	42
41	40
42	43
43	41
44	44
45	46
46	45
47	47
48	48
49	50
50	49
51	51
52	52
53	54
54	53
55	55
56	58
57	56
58	59
59	57
60	60
61	62
62	61
63	63
64	64
65	66
66	65
67	67