A004519 - OEIS

A004519 as a simple table

n	a(n)
0	0
1	2
2	4
3	6
4	8
5	1
6	3
7	5
8	7
9	18
10	20
11	22
12	24
13	26
14	19
15	21
16	23
17	25
18	36
19	38
20	40
21	42
22	44
23	37
24	39
25	41
26	43
27	54
28	56
29	58
30	60
31	62
32	55
33	57
34	59
35	61
36	72
37	74
38	76
39	78
40	80
41	73
42	75
43	77
44	79
45	9
46	11
47	13
48	15
49	17
50	10
51	12
52	14
53	16
54	27
55	29
56	31
57	33

[0,2,4,6,8,1,3,5,7,18,20,22,24,26,19,21,23,25,36, 38,40,42,44,37,39,41,43,54,56,58,60,62,55,57,59, 61,72,74,76,78,80,73,75,77,79,9,11,13,15,17,10,12, 14,16,27,29,31,33]

n	a(n)
0	0
1	2
2	4
3	6
4	8
5	1
6	3
7	5
8	7
9	18
10	20
11	22
12	24
13	26
14	19
15	21
16	23
17	25
18	36
19	38
20	40
21	42
22	44
23	37
24	39
25	41
26	43
27	54
28	56
29	58
30	60
31	62
32	55
33	57
34	59
35	61
36	72
37	74
38	76
39	78
40	80
41	73
42	75
43	77
44	79
45	9
46	11
47	13
48	15
49	17
50	10
51	12
52	14
53	16
54	27
55	29
56	31
57	33

n	a(n)
0	0
1	2
2	4
3	6
4	8
5	1
6	3
7	5
8	7
9	18
10	20
11	22
12	24
13	26
14	19
15	21
16	23
17	25
18	36
19	38
20	40
21	42
22	44
23	37
24	39
25	41
26	43
27	54
28	56
29	58
30	60
31	62
32	55
33	57
34	59
35	61
36	72
37	74
38	76
39	78
40	80
41	73
42	75
43	77
44	79
45	9
46	11
47	13
48	15
49	17
50	10
51	12
52	14
53	16
54	27
55	29
56	31
57	33

n	a(n)
0	0
1	2
2	4
3	6
4	8
5	1
6	3
7	5
8	7
9	18
10	20
11	22
12	24
13	26
14	19
15	21
16	23
17	25
18	36
19	38
20	40
21	42
22	44
23	37
24	39
25	41
26	43
27	54
28	56
29	58
30	60
31	62
32	55
33	57
34	59
35	61
36	72
37	74
38	76
39	78
40	80
41	73
42	75
43	77
44	79
45	9
46	11
47	13
48	15
49	17
50	10
51	12
52	14
53	16
54	27
55	29
56	31
57	33