A215099 - cp's OEIS frontend

A215099 a(0)=0, a(1)=1, a(n) = least k>a(n-1) such that k+a(n-2) is prime.

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	7
6	8
7	10
8	11
9	13
10	18
11	24
12	25
13	29
14	34
15	38
16	39
17	41
18	44
19	48
20	53
21	55
22	56
23	58
24	71
25	73
26	78
27	84
28	85
29	89
30	94
31	102
32	103
33	109
34	120
35	124
36	131
37	133
38	138
39	144
40	145
41	149
42	162
43	164
44	169
45	173
46	178
47	180
48	181
49	187
50	192
51	196
52	197
53	201

[0, 1, 2, 4, 5, 7, 8, 10, 11, 13, 18, 24, 25, 29, 34, 38, 39, 41, 44, 48, 53, 55, 56, 58, 71, 73, 78, 84, 85, 89, 94, 102, 103, 109, 120, 124, 131, 133, 138, 144, 145, 149, 162, 164, 169, 173, 178, 180, 181, 187, 192, 196, 197, 201]

cp's OEIS Frontend

A215099 a(0)=0, a(1)=1, a(n) = least k>a(n-1) such that k+a(n-2) is prime.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	7
6	8
7	10
8	11
9	13
10	18
11	24
12	25
13	29
14	34
15	38
16	39
17	41
18	44
19	48
20	53
21	55
22	56
23	58
24	71
25	73
26	78
27	84
28	85
29	89
30	94
31	102
32	103
33	109
34	120
35	124
36	131
37	133
38	138
39	144
40	145
41	149
42	162
43	164
44	169
45	173
46	178
47	180
48	181
49	187
50	192
51	196
52	197
53	201

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	7
6	8
7	10
8	11
9	13
10	18
11	24
12	25
13	29
14	34
15	38
16	39
17	41
18	44
19	48
20	53
21	55
22	56
23	58
24	71
25	73
26	78
27	84
28	85
29	89
30	94
31	102
32	103
33	109
34	120
35	124
36	131
37	133
38	138
39	144
40	145
41	149
42	162
43	164
44	169
45	173
46	178
47	180
48	181
49	187
50	192
51	196
52	197
53	201

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	7
6	8
7	10
8	11
9	13
10	18
11	24
12	25
13	29
14	34
15	38
16	39
17	41
18	44
19	48
20	53
21	55
22	56
23	58
24	71
25	73
26	78
27	84
28	85
29	89
30	94
31	102
32	103
33	109
34	120
35	124
36	131
37	133
38	138
39	144
40	145
41	149
42	162
43	164
44	169
45	173
46	178
47	180
48	181
49	187
50	192
51	196
52	197
53	201