A074779 - OEIS

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A074779 as a simple table

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
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	24
23	25
24	26
25	27
26	28
27	29
28	31
29	32
30	33
31	34
32	35
33	37
34	38
35	39
36	40
37	41
38	43
39	44
40	45
41	46
42	47
43	48
44	49
45	51
46	52
47	53
48	55
49	56
50	57
51	58
52	59
53	60
54	61
55	62
56	63
57	64
58	65
59	66
60	67
61	68
62	69
63	71
64	72
65	73
66	75
67	76
68	77
69	78
70	79
71	80
72	81

[1,2,3,4,5,6,7,8,9,11,12,13,15,16,17,18,19,20,21, 22,23,24,25,26,27,28,29,31,32,33,34,35,37,38,39, 40,41,43,44,45,46,47,48,49,51,52,53,55,56,57,58, 59,60,61,62,63,64,65,66,67,68,69,71,72,73,75,76, 77,78,79,80,81]

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
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	24
23	25
24	26
25	27
26	28
27	29
28	31
29	32
30	33
31	34
32	35
33	37
34	38
35	39
36	40
37	41
38	43
39	44
40	45
41	46
42	47
43	48
44	49
45	51
46	52
47	53
48	55
49	56
50	57
51	58
52	59
53	60
54	61
55	62
56	63
57	64
58	65
59	66
60	67
61	68
62	69
63	71
64	72
65	73
66	75
67	76
68	77
69	78
70	79
71	80
72	81

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
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	24
23	25
24	26
25	27
26	28
27	29
28	31
29	32
30	33
31	34
32	35
33	37
34	38
35	39
36	40
37	41
38	43
39	44
40	45
41	46
42	47
43	48
44	49
45	51
46	52
47	53
48	55
49	56
50	57
51	58
52	59
53	60
54	61
55	62
56	63
57	64
58	65
59	66
60	67
61	68
62	69
63	71
64	72
65	73
66	75
67	76
68	77
69	78
70	79
71	80
72	81

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
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	24
23	25
24	26
25	27
26	28
27	29
28	31
29	32
30	33
31	34
32	35
33	37
34	38
35	39
36	40
37	41
38	43
39	44
40	45
41	46
42	47
43	48
44	49
45	51
46	52
47	53
48	55
49	56
50	57
51	58
52	59
53	60
54	61
55	62
56	63
57	64
58	65
59	66
60	67
61	68
62	69
63	71
64	72
65	73
66	75
67	76
68	77
69	78
70	79
71	80
72	81