A147820 - cp's OEIS frontend

A147820 Nearest-neighbors of odd primes, divided by 2.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	14
14	15
15	16
16	18
17	19
18	20
19	21
20	22
21	23
22	24
23	26
24	27
25	29
26	30
27	31
28	33
29	34
30	35
31	36
32	37
33	39
34	40
35	41
36	42
37	44
38	45
39	48
40	49
41	50
42	51
43	52
44	53
45	54
46	55
47	56
48	57
49	63
50	64
51	65
52	66
53	68
54	69
55	70
56	74
57	75
58	76
59	78
60	79
61	81

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 26, 27, 29, 30, 31, 33, 34, 35, 36, 37, 39, 40, 41, 42, 44, 45, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 63, 64, 65, 66, 68, 69, 70, 74, 75, 76, 78, 79, 81]

cp's OEIS Frontend

A147820 Nearest-neighbors of odd primes, divided by 2.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	14
14	15
15	16
16	18
17	19
18	20
19	21
20	22
21	23
22	24
23	26
24	27
25	29
26	30
27	31
28	33
29	34
30	35
31	36
32	37
33	39
34	40
35	41
36	42
37	44
38	45
39	48
40	49
41	50
42	51
43	52
44	53
45	54
46	55
47	56
48	57
49	63
50	64
51	65
52	66
53	68
54	69
55	70
56	74
57	75
58	76
59	78
60	79
61	81

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	14
14	15
15	16
16	18
17	19
18	20
19	21
20	22
21	23
22	24
23	26
24	27
25	29
26	30
27	31
28	33
29	34
30	35
31	36
32	37
33	39
34	40
35	41
36	42
37	44
38	45
39	48
40	49
41	50
42	51
43	52
44	53
45	54
46	55
47	56
48	57
49	63
50	64
51	65
52	66
53	68
54	69
55	70
56	74
57	75
58	76
59	78
60	79
61	81

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	14
14	15
15	16
16	18
17	19
18	20
19	21
20	22
21	23
22	24
23	26
24	27
25	29
26	30
27	31
28	33
29	34
30	35
31	36
32	37
33	39
34	40
35	41
36	42
37	44
38	45
39	48
40	49
41	50
42	51
43	52
44	53
45	54
46	55
47	56
48	57
49	63
50	64
51	65
52	66
53	68
54	69
55	70
56	74
57	75
58	76
59	78
60	79
61	81