A047229 - OEIS

A047229 as a simple table

n	a(n)
1	0
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	15
12	16
13	18
14	20
15	21
16	22
17	24
18	26
19	27
20	28
21	30
22	32
23	33
24	34
25	36
26	38
27	39
28	40
29	42
30	44
31	45
32	46
33	48
34	50
35	51
36	52
37	54
38	56
39	57
40	58
41	60
42	62
43	63
44	64
45	66
46	68
47	69
48	70
49	72
50	74
51	75
52	76
53	78
54	80
55	81
56	82
57	84

[0,2,3,4,6,8,9,10,12,14,15,16,18,20,21,22,24,26, 27,28,30,32,33,34,36,38,39,40,42,44,45,46,48,50, 51,52,54,56,57,58,60,62,63,64,66,68,69,70,72,74, 75,76,78,80,81,82,84]

n	a(n)
1	0
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	15
12	16
13	18
14	20
15	21
16	22
17	24
18	26
19	27
20	28
21	30
22	32
23	33
24	34
25	36
26	38
27	39
28	40
29	42
30	44
31	45
32	46
33	48
34	50
35	51
36	52
37	54
38	56
39	57
40	58
41	60
42	62
43	63
44	64
45	66
46	68
47	69
48	70
49	72
50	74
51	75
52	76
53	78
54	80
55	81
56	82
57	84

n	a(n)
1	0
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	15
12	16
13	18
14	20
15	21
16	22
17	24
18	26
19	27
20	28
21	30
22	32
23	33
24	34
25	36
26	38
27	39
28	40
29	42
30	44
31	45
32	46
33	48
34	50
35	51
36	52
37	54
38	56
39	57
40	58
41	60
42	62
43	63
44	64
45	66
46	68
47	69
48	70
49	72
50	74
51	75
52	76
53	78
54	80
55	81
56	82
57	84

n	a(n)
1	0
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	15
12	16
13	18
14	20
15	21
16	22
17	24
18	26
19	27
20	28
21	30
22	32
23	33
24	34
25	36
26	38
27	39
28	40
29	42
30	44
31	45
32	46
33	48
34	50
35	51
36	52
37	54
38	56
39	57
40	58
41	60
42	62
43	63
44	64
45	66
46	68
47	69
48	70
49	72
50	74
51	75
52	76
53	78
54	80
55	81
56	82
57	84