A064877 - OEIS

A064877 as a simple table

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

[0,0,0,0,2,2,2,2,4,6,6,6,6,8,8,8,12,12,12,12,14, 14,14,14,16,20,20,20,20,22,22,22,24,24,26,26,30, 30,30,30,32,32,32,32,34,36,36,36,36,42,42,42,42, 44,44,44,44,46,48,48,48,50,50,50,56,56,56,54,58, 58,56,56,60,62]

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

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

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