A162880 - OEIS

A162880 as a simple table

n	a(n)
1	2
2	4
3	5
4	6
5	7
6	8
7	9
8	10
9	11
10	12
11	13
12	14
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	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	39
38	40
39	41
40	42
41	43
42	45
43	46
44	47
45	48
46	50
47	51
48	52
49	53
50	54
51	55
52	56
53	57
54	58
55	59
56	60
57	61
58	62
59	63
60	64
61	65
62	67
63	69
64	71
65	72
66	73
67	74
68	75
69	77
70	78
71	79
72	80

[2,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20, 21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36, 37,38,39,40,41,42,43,45,46,47,48,50,51,52,53,54, 55,56,57,58,59,60,61,62,63,64,65,67,69,71,72,73, 74,75,77,78,79,80]

n	a(n)
1	2
2	4
3	5
4	6
5	7
6	8
7	9
8	10
9	11
10	12
11	13
12	14
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	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	39
38	40
39	41
40	42
41	43
42	45
43	46
44	47
45	48
46	50
47	51
48	52
49	53
50	54
51	55
52	56
53	57
54	58
55	59
56	60
57	61
58	62
59	63
60	64
61	65
62	67
63	69
64	71
65	72
66	73
67	74
68	75
69	77
70	78
71	79
72	80

n	a(n)
1	2
2	4
3	5
4	6
5	7
6	8
7	9
8	10
9	11
10	12
11	13
12	14
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	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	39
38	40
39	41
40	42
41	43
42	45
43	46
44	47
45	48
46	50
47	51
48	52
49	53
50	54
51	55
52	56
53	57
54	58
55	59
56	60
57	61
58	62
59	63
60	64
61	65
62	67
63	69
64	71
65	72
66	73
67	74
68	75
69	77
70	78
71	79
72	80

n	a(n)
1	2
2	4
3	5
4	6
5	7
6	8
7	9
8	10
9	11
10	12
11	13
12	14
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	30
29	31
30	32
31	33
32	34
33	35
34	36
35	37
36	38
37	39
38	40
39	41
40	42
41	43
42	45
43	46
44	47
45	48
46	50
47	51
48	52
49	53
50	54
51	55
52	56
53	57
54	58
55	59
56	60
57	61
58	62
59	63
60	64
61	65
62	67
63	69
64	71
65	72
66	73
67	74
68	75
69	77
70	78
71	79
72	80