A291306 - OEIS

A291306 as a simple table

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

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

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

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

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