A247915 - OEIS

A247915 as a simple table

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	12
10	13
11	15
12	16
13	17
14	18
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	29
23	30
24	31
25	32
26	34
27	35
28	36
29	37
30	39
31	40
32	41
33	42
34	44
35	45
36	46
37	47
38	48
39	50
40	51
41	52
42	53
43	55
44	56
45	57
46	58
47	60
48	61
49	62
50	63
51	64
52	66
53	67
54	68
55	69
56	70
57	72
58	73
59	74
60	75
61	77
62	78
63	79
64	80
65	81
66	83

[2,3,4,5,7,8,9,11,12,13,15,16,17,18,20,21,22,24, 25,26,27,29,30,31,32,34,35,36,37,39,40,41,42,44, 45,46,47,48,50,51,52,53,55,56,57,58,60,61,62,63, 64,66,67,68,69,70,72,73,74,75,77,78,79,80,81,83]

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	12
10	13
11	15
12	16
13	17
14	18
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	29
23	30
24	31
25	32
26	34
27	35
28	36
29	37
30	39
31	40
32	41
33	42
34	44
35	45
36	46
37	47
38	48
39	50
40	51
41	52
42	53
43	55
44	56
45	57
46	58
47	60
48	61
49	62
50	63
51	64
52	66
53	67
54	68
55	69
56	70
57	72
58	73
59	74
60	75
61	77
62	78
63	79
64	80
65	81
66	83

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	12
10	13
11	15
12	16
13	17
14	18
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	29
23	30
24	31
25	32
26	34
27	35
28	36
29	37
30	39
31	40
32	41
33	42
34	44
35	45
36	46
37	47
38	48
39	50
40	51
41	52
42	53
43	55
44	56
45	57
46	58
47	60
48	61
49	62
50	63
51	64
52	66
53	67
54	68
55	69
56	70
57	72
58	73
59	74
60	75
61	77
62	78
63	79
64	80
65	81
66	83

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	12
10	13
11	15
12	16
13	17
14	18
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	29
23	30
24	31
25	32
26	34
27	35
28	36
29	37
30	39
31	40
32	41
33	42
34	44
35	45
36	46
37	47
38	48
39	50
40	51
41	52
42	53
43	55
44	56
45	57
46	58
47	60
48	61
49	62
50	63
51	64
52	66
53	67
54	68
55	69
56	70
57	72
58	73
59	74
60	75
61	77
62	78
63	79
64	80
65	81
66	83