A138609 - OEIS

A138609 as a simple table

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

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

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

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

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