A116568 - OEIS

A116568 as a simple table

n	a(n)
1	0
2	2
3	2
4	4
5	4
6	6
7	6
8	8
9	8
10	8
11	10
12	10
13	12
14	12
15	12
16	12
17	14
18	14
19	16
20	16
21	16
22	16
23	18
24	18
25	18
26	18
27	18
28	18
29	20
30	20
31	22
32	22
33	22
34	22
35	22
36	22
37	24
38	24
39	24
40	24
41	26
42	26
43	28
44	28
45	28
46	28
47	30
48	30
49	30
50	30
51	30
52	30
53	32
54	32
55	32
56	32
57	32
58	32
59	34
60	34
61	36
62	36
63	36
64	36
65	36
66	36
67	38
68	38
69	38
70	38
71	40
72	40
73	42

[0,2,2,4,4,6,6,8,8,8,10,10,12,12,12,12,14,14,16, 16,16,16,18,18,18,18,18,18,20,20,22,22,22,22,22, 22,24,24,24,24,26,26,28,28,28,28,30,30,30,30,30, 30,32,32,32,32,32,32,34,34,36,36,36,36,36,36,38, 38,38,38,40,40,42]

n	a(n)
1	0
2	2
3	2
4	4
5	4
6	6
7	6
8	8
9	8
10	8
11	10
12	10
13	12
14	12
15	12
16	12
17	14
18	14
19	16
20	16
21	16
22	16
23	18
24	18
25	18
26	18
27	18
28	18
29	20
30	20
31	22
32	22
33	22
34	22
35	22
36	22
37	24
38	24
39	24
40	24
41	26
42	26
43	28
44	28
45	28
46	28
47	30
48	30
49	30
50	30
51	30
52	30
53	32
54	32
55	32
56	32
57	32
58	32
59	34
60	34
61	36
62	36
63	36
64	36
65	36
66	36
67	38
68	38
69	38
70	38
71	40
72	40
73	42

n	a(n)
1	0
2	2
3	2
4	4
5	4
6	6
7	6
8	8
9	8
10	8
11	10
12	10
13	12
14	12
15	12
16	12
17	14
18	14
19	16
20	16
21	16
22	16
23	18
24	18
25	18
26	18
27	18
28	18
29	20
30	20
31	22
32	22
33	22
34	22
35	22
36	22
37	24
38	24
39	24
40	24
41	26
42	26
43	28
44	28
45	28
46	28
47	30
48	30
49	30
50	30
51	30
52	30
53	32
54	32
55	32
56	32
57	32
58	32
59	34
60	34
61	36
62	36
63	36
64	36
65	36
66	36
67	38
68	38
69	38
70	38
71	40
72	40
73	42

n	a(n)
1	0
2	2
3	2
4	4
5	4
6	6
7	6
8	8
9	8
10	8
11	10
12	10
13	12
14	12
15	12
16	12
17	14
18	14
19	16
20	16
21	16
22	16
23	18
24	18
25	18
26	18
27	18
28	18
29	20
30	20
31	22
32	22
33	22
34	22
35	22
36	22
37	24
38	24
39	24
40	24
41	26
42	26
43	28
44	28
45	28
46	28
47	30
48	30
49	30
50	30
51	30
52	30
53	32
54	32
55	32
56	32
57	32
58	32
59	34
60	34
61	36
62	36
63	36
64	36
65	36
66	36
67	38
68	38
69	38
70	38
71	40
72	40
73	42