A173658 - OEIS

A173658 as a simple table

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

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

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

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

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