A138607 - OEIS

A138607 as a simple table

n	a(n)
1	1
2	2
3	4
4	3
5	5
6	7
7	6
8	8
9	10
10	12
11	14
12	9
13	11
14	13
15	15
16	17
17	19
18	21
19	16
20	18
21	20
22	22
23	24
24	26
25	28
26	30
27	32
28	34
29	36
30	23
31	25
32	27
33	29
34	31
35	33
36	35
37	37
38	39
39	41
40	43
41	45
42	47
43	38
44	40
45	42
46	44
47	46
48	48
49	50
50	52
51	54
52	56
53	58
54	60
55	62
56	64
57	66
58	68
59	70
60	49
61	51
62	53
63	55
64	57
65	59
66	61
67	63
68	65
69	67
70	69
71	71
72	73

[1,2,4,3,5,7,6,8,10,12,14,9,11,13,15,17,19,21,16, 18,20,22,24,26,28,30,32,34,36,23,25,27,29,31,33, 35,37,39,41,43,45,47,38,40,42,44,46,48,50,52,54, 56,58,60,62,64,66,68,70,49,51,53,55,57,59,61,63, 65,67,69,71,73]

n	a(n)
1	1
2	2
3	4
4	3
5	5
6	7
7	6
8	8
9	10
10	12
11	14
12	9
13	11
14	13
15	15
16	17
17	19
18	21
19	16
20	18
21	20
22	22
23	24
24	26
25	28
26	30
27	32
28	34
29	36
30	23
31	25
32	27
33	29
34	31
35	33
36	35
37	37
38	39
39	41
40	43
41	45
42	47
43	38
44	40
45	42
46	44
47	46
48	48
49	50
50	52
51	54
52	56
53	58
54	60
55	62
56	64
57	66
58	68
59	70
60	49
61	51
62	53
63	55
64	57
65	59
66	61
67	63
68	65
69	67
70	69
71	71
72	73

n	a(n)
1	1
2	2
3	4
4	3
5	5
6	7
7	6
8	8
9	10
10	12
11	14
12	9
13	11
14	13
15	15
16	17
17	19
18	21
19	16
20	18
21	20
22	22
23	24
24	26
25	28
26	30
27	32
28	34
29	36
30	23
31	25
32	27
33	29
34	31
35	33
36	35
37	37
38	39
39	41
40	43
41	45
42	47
43	38
44	40
45	42
46	44
47	46
48	48
49	50
50	52
51	54
52	56
53	58
54	60
55	62
56	64
57	66
58	68
59	70
60	49
61	51
62	53
63	55
64	57
65	59
66	61
67	63
68	65
69	67
70	69
71	71
72	73

n	a(n)
1	1
2	2
3	4
4	3
5	5
6	7
7	6
8	8
9	10
10	12
11	14
12	9
13	11
14	13
15	15
16	17
17	19
18	21
19	16
20	18
21	20
22	22
23	24
24	26
25	28
26	30
27	32
28	34
29	36
30	23
31	25
32	27
33	29
34	31
35	33
36	35
37	37
38	39
39	41
40	43
41	45
42	47
43	38
44	40
45	42
46	44
47	46
48	48
49	50
50	52
51	54
52	56
53	58
54	60
55	62
56	64
57	66
58	68
59	70
60	49
61	51
62	53
63	55
64	57
65	59
66	61
67	63
68	65
69	67
70	69
71	71
72	73