A087030 - cp's OEIS frontend

A087030 n "reflected" in the next prime: a(n)=2p-n, p is smallest prime > n.

n	a(n)
1	3
2	4
3	7
4	6
5	9
6	8
7	15
8	14
9	13
10	12
11	15
12	14
13	21
14	20
15	19
16	18
17	21
18	20
19	27
20	26
21	25
22	24
23	35
24	34
25	33
26	32
27	31
28	30
29	33
30	32
31	43
32	42
33	41
34	40
35	39
36	38
37	45
38	44
39	43
40	42
41	45
42	44
43	51
44	50
45	49
46	48
47	59
48	58
49	57
50	56
51	55
52	54
53	65
54	64
55	63
56	62
57	61
58	60
59	63
60	62
61	73
62	72
63	71
64	70
65	69
66	68
67	75
68	74
69	73
70	72
71	75

[3, 4, 7, 6, 9, 8, 15, 14, 13, 12, 15, 14, 21, 20, 19, 18, 21, 20, 27, 26, 25, 24, 35, 34, 33, 32, 31, 30, 33, 32, 43, 42, 41, 40, 39, 38, 45, 44, 43, 42, 45, 44, 51, 50, 49, 48, 59, 58, 57, 56, 55, 54, 65, 64, 63, 62, 61, 60, 63, 62, 73, 72, 71, 70, 69, 68, 75, 74, 73, 72, 75]

cp's OEIS Frontend

A087030 n "reflected" in the next prime: a(n)=2p-n, p is smallest prime > n.

Table of values

List of values

n	a(n)
1	3
2	4
3	7
4	6
5	9
6	8
7	15
8	14
9	13
10	12
11	15
12	14
13	21
14	20
15	19
16	18
17	21
18	20
19	27
20	26
21	25
22	24
23	35
24	34
25	33
26	32
27	31
28	30
29	33
30	32
31	43
32	42
33	41
34	40
35	39
36	38
37	45
38	44
39	43
40	42
41	45
42	44
43	51
44	50
45	49
46	48
47	59
48	58
49	57
50	56
51	55
52	54
53	65
54	64
55	63
56	62
57	61
58	60
59	63
60	62
61	73
62	72
63	71
64	70
65	69
66	68
67	75
68	74
69	73
70	72
71	75

n	a(n)
1	3
2	4
3	7
4	6
5	9
6	8
7	15
8	14
9	13
10	12
11	15
12	14
13	21
14	20
15	19
16	18
17	21
18	20
19	27
20	26
21	25
22	24
23	35
24	34
25	33
26	32
27	31
28	30
29	33
30	32
31	43
32	42
33	41
34	40
35	39
36	38
37	45
38	44
39	43
40	42
41	45
42	44
43	51
44	50
45	49
46	48
47	59
48	58
49	57
50	56
51	55
52	54
53	65
54	64
55	63
56	62
57	61
58	60
59	63
60	62
61	73
62	72
63	71
64	70
65	69
66	68
67	75
68	74
69	73
70	72
71	75

n	a(n)
1	3
2	4
3	7
4	6
5	9
6	8
7	15
8	14
9	13
10	12
11	15
12	14
13	21
14	20
15	19
16	18
17	21
18	20
19	27
20	26
21	25
22	24
23	35
24	34
25	33
26	32
27	31
28	30
29	33
30	32
31	43
32	42
33	41
34	40
35	39
36	38
37	45
38	44
39	43
40	42
41	45
42	44
43	51
44	50
45	49
46	48
47	59
48	58
49	57
50	56
51	55
52	54
53	65
54	64
55	63
56	62
57	61
58	60
59	63
60	62
61	73
62	72
63	71
64	70
65	69
66	68
67	75
68	74
69	73
70	72
71	75