A291330 - OEIS

A291330 as a simple table

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

[0,2,0,4,4,6,4,8,8,10,8,12,12,14,12,16,16,18,16, 20,20,22,20,24,24,26,24,28,28,30,28,32,32,34,32, 36,36,38,36,40,40,42,40,44,44,46,44,48,48,50,48, 52,52,54,52,56,56,58,56,60,60,62,60,64,64,66,64, 68,68]

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

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

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