A266411 - cp's OEIS frontend

A266411 a(1) = 1, after which each a(n) = (A004074(n)+1)-th number selected from those not yet in the sequence.

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	8
7	7
8	5
9	10
10	12
11	14
12	13
13	16
14	15
15	11
16	9
17	18
18	20
19	22
20	24
21	23
22	26
23	28
24	27
25	30
26	29
27	25
28	32
29	31
30	21
31	19
32	17
33	34
34	36
35	38
36	40
37	42
38	41
39	44
40	46
41	48
42	47
43	50
44	52
45	51
46	54
47	53
48	49
49	56
50	58
51	57
52	60
53	59
54	55
55	62
56	61
57	45
58	43
59	64
60	63
61	39
62	37
63	35
64	33
65	66
66	68
67	70
68	72
69	74
70	76
71	75
72	78
73	80
74	82
75	84
76	83
77	86
78	88
79	90
80	89
81	92
82	94
83	93
84	96
85	95
86	91

[1, 2, 4, 3, 6, 8, 7, 5, 10, 12, 14, 13, 16, 15, 11, 9, 18, 20, 22, 24, 23, 26, 28, 27, 30, 29, 25, 32, 31, 21, 19, 17, 34, 36, 38, 40, 42, 41, 44, 46, 48, 47, 50, 52, 51, 54, 53, 49, 56, 58, 57, 60, 59, 55, 62, 61, 45, 43, 64, 63, 39, 37, 35, 33, 66, 68, 70, 72, 74, 76, 75, 78, 80, 82, 84, 83, 86, 88, 90, 89, 92, 94, 93, 96, 95, 91]

cp's OEIS Frontend

A266411 a(1) = 1, after which each a(n) = (A004074(n)+1)-th number selected from those not yet in the sequence.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	8
7	7
8	5
9	10
10	12
11	14
12	13
13	16
14	15
15	11
16	9
17	18
18	20
19	22
20	24
21	23
22	26
23	28
24	27
25	30
26	29
27	25
28	32
29	31
30	21
31	19
32	17
33	34
34	36
35	38
36	40
37	42
38	41
39	44
40	46
41	48
42	47
43	50
44	52
45	51
46	54
47	53
48	49
49	56
50	58
51	57
52	60
53	59
54	55
55	62
56	61
57	45
58	43
59	64
60	63
61	39
62	37
63	35
64	33
65	66
66	68
67	70
68	72
69	74
70	76
71	75
72	78
73	80
74	82
75	84
76	83
77	86
78	88
79	90
80	89
81	92
82	94
83	93
84	96
85	95
86	91

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	8
7	7
8	5
9	10
10	12
11	14
12	13
13	16
14	15
15	11
16	9
17	18
18	20
19	22
20	24
21	23
22	26
23	28
24	27
25	30
26	29
27	25
28	32
29	31
30	21
31	19
32	17
33	34
34	36
35	38
36	40
37	42
38	41
39	44
40	46
41	48
42	47
43	50
44	52
45	51
46	54
47	53
48	49
49	56
50	58
51	57
52	60
53	59
54	55
55	62
56	61
57	45
58	43
59	64
60	63
61	39
62	37
63	35
64	33
65	66
66	68
67	70
68	72
69	74
70	76
71	75
72	78
73	80
74	82
75	84
76	83
77	86
78	88
79	90
80	89
81	92
82	94
83	93
84	96
85	95
86	91

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	8
7	7
8	5
9	10
10	12
11	14
12	13
13	16
14	15
15	11
16	9
17	18
18	20
19	22
20	24
21	23
22	26
23	28
24	27
25	30
26	29
27	25
28	32
29	31
30	21
31	19
32	17
33	34
34	36
35	38
36	40
37	42
38	41
39	44
40	46
41	48
42	47
43	50
44	52
45	51
46	54
47	53
48	49
49	56
50	58
51	57
52	60
53	59
54	55
55	62
56	61
57	45
58	43
59	64
60	63
61	39
62	37
63	35
64	33
65	66
66	68
67	70
68	72
69	74
70	76
71	75
72	78
73	80
74	82
75	84
76	83
77	86
78	88
79	90
80	89
81	92
82	94
83	93
84	96
85	95
86	91