A121731 - OEIS

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A121731 as a simple table

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

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

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

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

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