A001959 - OEIS

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A001959 as a simple table

n	a(n)
0	0
1	2
2	3
3	4
4	6
5	7
6	8
7	9
8	11
9	12
10	13
11	15
12	16
13	17
14	19
15	20
16	21
17	23
18	24
19	25
20	26
21	28
22	29
23	30
24	32
25	33
26	34
27	36
28	37
29	38
30	39
31	41
32	42
33	43
34	45
35	46
36	47
37	49
38	50
39	51
40	52
41	54
42	55
43	56
44	58
45	59
46	60
47	62
48	63
49	64
50	66
51	67
52	68
53	69
54	71
55	72
56	73
57	75
58	76
59	77
60	79
61	80
62	81
63	82
64	84
65	85
66	86
67	88

[0,2,3,4,6,7,8,9,11,12,13,15,16,17,19,20,21,23,24, 25,26,28,29,30,32,33,34,36,37,38,39,41,42,43,45, 46,47,49,50,51,52,54,55,56,58,59,60,62,63,64,66, 67,68,69,71,72,73,75,76,77,79,80,81,82,84,85,86, 88]

n	a(n)
0	0
1	2
2	3
3	4
4	6
5	7
6	8
7	9
8	11
9	12
10	13
11	15
12	16
13	17
14	19
15	20
16	21
17	23
18	24
19	25
20	26
21	28
22	29
23	30
24	32
25	33
26	34
27	36
28	37
29	38
30	39
31	41
32	42
33	43
34	45
35	46
36	47
37	49
38	50
39	51
40	52
41	54
42	55
43	56
44	58
45	59
46	60
47	62
48	63
49	64
50	66
51	67
52	68
53	69
54	71
55	72
56	73
57	75
58	76
59	77
60	79
61	80
62	81
63	82
64	84
65	85
66	86
67	88

n	a(n)
0	0
1	2
2	3
3	4
4	6
5	7
6	8
7	9
8	11
9	12
10	13
11	15
12	16
13	17
14	19
15	20
16	21
17	23
18	24
19	25
20	26
21	28
22	29
23	30
24	32
25	33
26	34
27	36
28	37
29	38
30	39
31	41
32	42
33	43
34	45
35	46
36	47
37	49
38	50
39	51
40	52
41	54
42	55
43	56
44	58
45	59
46	60
47	62
48	63
49	64
50	66
51	67
52	68
53	69
54	71
55	72
56	73
57	75
58	76
59	77
60	79
61	80
62	81
63	82
64	84
65	85
66	86
67	88

n	a(n)
0	0
1	2
2	3
3	4
4	6
5	7
6	8
7	9
8	11
9	12
10	13
11	15
12	16
13	17
14	19
15	20
16	21
17	23
18	24
19	25
20	26
21	28
22	29
23	30
24	32
25	33
26	34
27	36
28	37
29	38
30	39
31	41
32	42
33	43
34	45
35	46
36	47
37	49
38	50
39	51
40	52
41	54
42	55
43	56
44	58
45	59
46	60
47	62
48	63
49	64
50	66
51	67
52	68
53	69
54	71
55	72
56	73
57	75
58	76
59	77
60	79
61	80
62	81
63	82
64	84
65	85
66	86
67	88