A306230 - OEIS

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A306230 as a simple table

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

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

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

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

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