A110080 - cp's OEIS frontend

A110080 a(1) = 1; skipping over integers occurring earlier in the sequence, count down p(n) (p(n) = n-th prime) from a(n) to get a(n+1). If this is <= 0, instead count up from a(n) p(n) positions (skipping already occurring integers) to get a(n+1).

n	a(n)
1	1
2	3
3	6
4	11
5	2
6	16
7	29
8	10
9	32
10	4
11	39
12	70
13	31
14	75
15	27
16	80
17	20
18	87
19	17
20	94
21	9
22	97
23	176
24	91
25	183
26	81
27	188
28	77
29	193
30	73
31	198
32	57
33	203
34	50
35	206
36	38
37	209
38	28
39	216
40	22
41	223
42	12
43	226
44	417
45	222
46	422
47	219
48	435
49	202
50	440
51	199
52	445
53	190
54	448
55	177
56	455
57	169
58	462
59	166
60	469
61	161
62	472

[1, 3, 6, 11, 2, 16, 29, 10, 32, 4, 39, 70, 31, 75, 27, 80, 20, 87, 17, 94, 9, 97, 176, 91, 183, 81, 188, 77, 193, 73, 198, 57, 203, 50, 206, 38, 209, 28, 216, 22, 223, 12, 226, 417, 222, 422, 219, 435, 202, 440, 199, 445, 190, 448, 177, 455, 169, 462, 166, 469, 161, 472]

cp's OEIS Frontend

A110080 a(1) = 1; skipping over integers occurring earlier in the sequence, count down p(n) (p(n) = n-th prime) from a(n) to get a(n+1). If this is <= 0, instead count up from a(n) p(n) positions (skipping already occurring integers) to get a(n+1).

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	11
5	2
6	16
7	29
8	10
9	32
10	4
11	39
12	70
13	31
14	75
15	27
16	80
17	20
18	87
19	17
20	94
21	9
22	97
23	176
24	91
25	183
26	81
27	188
28	77
29	193
30	73
31	198
32	57
33	203
34	50
35	206
36	38
37	209
38	28
39	216
40	22
41	223
42	12
43	226
44	417
45	222
46	422
47	219
48	435
49	202
50	440
51	199
52	445
53	190
54	448
55	177
56	455
57	169
58	462
59	166
60	469
61	161
62	472

n	a(n)
1	1
2	3
3	6
4	11
5	2
6	16
7	29
8	10
9	32
10	4
11	39
12	70
13	31
14	75
15	27
16	80
17	20
18	87
19	17
20	94
21	9
22	97
23	176
24	91
25	183
26	81
27	188
28	77
29	193
30	73
31	198
32	57
33	203
34	50
35	206
36	38
37	209
38	28
39	216
40	22
41	223
42	12
43	226
44	417
45	222
46	422
47	219
48	435
49	202
50	440
51	199
52	445
53	190
54	448
55	177
56	455
57	169
58	462
59	166
60	469
61	161
62	472

n	a(n)
1	1
2	3
3	6
4	11
5	2
6	16
7	29
8	10
9	32
10	4
11	39
12	70
13	31
14	75
15	27
16	80
17	20
18	87
19	17
20	94
21	9
22	97
23	176
24	91
25	183
26	81
27	188
28	77
29	193
30	73
31	198
32	57
33	203
34	50
35	206
36	38
37	209
38	28
39	216
40	22
41	223
42	12
43	226
44	417
45	222
46	422
47	219
48	435
49	202
50	440
51	199
52	445
53	190
54	448
55	177
56	455
57	169
58	462
59	166
60	469
61	161
62	472