A286997 - OEIS

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A286997 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	23
22	25
23	26
24	27
25	28
26	29
27	30
28	32
29	33
30	34
31	35
32	36
33	37
34	38
35	39
36	40
37	42
38	43
39	44
40	45
41	46
42	47
43	49
44	50
45	51
46	52
47	53
48	54
49	56
50	57
51	58
52	59
53	60
54	61
55	62
56	63
57	64
58	66
59	67
60	68
61	69
62	70
63	71
64	73
65	74
66	75
67	76

[1,2,3,4,5,6,8,9,10,11,12,13,15,16,17,18,19,20,21, 22,23,25,26,27,28,29,30,32,33,34,35,36,37,38,39, 40,42,43,44,45,46,47,49,50,51,52,53,54,56,57,58, 59,60,61,62,63,64,66,67,68,69,70,71,73,74,75,76]

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	23
22	25
23	26
24	27
25	28
26	29
27	30
28	32
29	33
30	34
31	35
32	36
33	37
34	38
35	39
36	40
37	42
38	43
39	44
40	45
41	46
42	47
43	49
44	50
45	51
46	52
47	53
48	54
49	56
50	57
51	58
52	59
53	60
54	61
55	62
56	63
57	64
58	66
59	67
60	68
61	69
62	70
63	71
64	73
65	74
66	75
67	76

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	23
22	25
23	26
24	27
25	28
26	29
27	30
28	32
29	33
30	34
31	35
32	36
33	37
34	38
35	39
36	40
37	42
38	43
39	44
40	45
41	46
42	47
43	49
44	50
45	51
46	52
47	53
48	54
49	56
50	57
51	58
52	59
53	60
54	61
55	62
56	63
57	64
58	66
59	67
60	68
61	69
62	70
63	71
64	73
65	74
66	75
67	76

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	8
8	9
9	10
10	11
11	12
12	13
13	15
14	16
15	17
16	18
17	19
18	20
19	21
20	22
21	23
22	25
23	26
24	27
25	28
26	29
27	30
28	32
29	33
30	34
31	35
32	36
33	37
34	38
35	39
36	40
37	42
38	43
39	44
40	45
41	46
42	47
43	49
44	50
45	51
46	52
47	53
48	54
49	56
50	57
51	58
52	59
53	60
54	61
55	62
56	63
57	64
58	66
59	67
60	68
61	69
62	70
63	71
64	73
65	74
66	75
67	76