A169956 - cp's OEIS frontend

A169956 Lexicographically earliest sequence with positive integers satisfying a(a(n)) = 2*n+2.

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	10
7	9
8	12
9	16
10	14
11	13
12	18
13	24
14	22
15	17
16	20
17	32
18	26
19	21
20	34
21	40
22	30
23	25
24	28
25	48
26	38
27	29
28	50
29	56
30	46
31	33
32	36
33	64
34	42
35	37
36	66
37	72
38	54
39	41
40	44
41	80
42	70
43	45
44	82
45	88
46	62
47	49
48	52
49	96
50	58
51	53
52	98
53	104
54	78
55	57
56	60
57	112
58	102
59	61
60	114
61	120
62	94
63	65
64	68
65	128
66	74

[2, 4, 5, 6, 8, 10, 9, 12, 16, 14, 13, 18, 24, 22, 17, 20, 32, 26, 21, 34, 40, 30, 25, 28, 48, 38, 29, 50, 56, 46, 33, 36, 64, 42, 37, 66, 72, 54, 41, 44, 80, 70, 45, 82, 88, 62, 49, 52, 96, 58, 53, 98, 104, 78, 57, 60, 112, 102, 61, 114, 120, 94, 65, 68, 128, 74]

cp's OEIS Frontend

A169956 Lexicographically earliest sequence with positive integers satisfying a(a(n)) = 2*n+2.

Table of values

List of values

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	10
7	9
8	12
9	16
10	14
11	13
12	18
13	24
14	22
15	17
16	20
17	32
18	26
19	21
20	34
21	40
22	30
23	25
24	28
25	48
26	38
27	29
28	50
29	56
30	46
31	33
32	36
33	64
34	42
35	37
36	66
37	72
38	54
39	41
40	44
41	80
42	70
43	45
44	82
45	88
46	62
47	49
48	52
49	96
50	58
51	53
52	98
53	104
54	78
55	57
56	60
57	112
58	102
59	61
60	114
61	120
62	94
63	65
64	68
65	128
66	74

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	10
7	9
8	12
9	16
10	14
11	13
12	18
13	24
14	22
15	17
16	20
17	32
18	26
19	21
20	34
21	40
22	30
23	25
24	28
25	48
26	38
27	29
28	50
29	56
30	46
31	33
32	36
33	64
34	42
35	37
36	66
37	72
38	54
39	41
40	44
41	80
42	70
43	45
44	82
45	88
46	62
47	49
48	52
49	96
50	58
51	53
52	98
53	104
54	78
55	57
56	60
57	112
58	102
59	61
60	114
61	120
62	94
63	65
64	68
65	128
66	74

n	a(n)
1	2
2	4
3	5
4	6
5	8
6	10
7	9
8	12
9	16
10	14
11	13
12	18
13	24
14	22
15	17
16	20
17	32
18	26
19	21
20	34
21	40
22	30
23	25
24	28
25	48
26	38
27	29
28	50
29	56
30	46
31	33
32	36
33	64
34	42
35	37
36	66
37	72
38	54
39	41
40	44
41	80
42	70
43	45
44	82
45	88
46	62
47	49
48	52
49	96
50	58
51	53
52	98
53	104
54	78
55	57
56	60
57	112
58	102
59	61
60	114
61	120
62	94
63	65
64	68
65	128
66	74