A073504 - OEIS

A073504 as a simple table

n	a(n)
1	0
2	0
3	0
4	2
5	2
6	2
7	2
8	4
9	4
10	4
11	4
12	6
13	6
14	8
15	8
16	10
17	10
18	10
19	10
20	12
21	12
22	12
23	12
24	14
25	14
26	14
27	14
28	16
29	16
30	18
31	18
32	20
33	20
34	20
35	20
36	22
37	22
38	22
39	22
40	24
41	24
42	24
43	24
44	26
45	26
46	28
47	28
48	30
49	30
50	30
51	30
52	32
53	32
54	34
55	34
56	36
57	36
58	36
59	36
60	38
61	38
62	40
63	40
64	42
65	42
66	42
67	42
68	44
69	44
70	44
71	44
72	46
73	46
74	46

[0,0,0,2,2,2,2,4,4,4,4,6,6,8,8,10,10,10,10,12,12, 12,12,14,14,14,14,16,16,18,18,20,20,20,20,22,22, 22,22,24,24,24,24,26,26,28,28,30,30,30,30,32,32, 34,34,36,36,36,36,38,38,40,40,42,42,42,42,44,44, 44,44,46,46,46]

n	a(n)
1	0
2	0
3	0
4	2
5	2
6	2
7	2
8	4
9	4
10	4
11	4
12	6
13	6
14	8
15	8
16	10
17	10
18	10
19	10
20	12
21	12
22	12
23	12
24	14
25	14
26	14
27	14
28	16
29	16
30	18
31	18
32	20
33	20
34	20
35	20
36	22
37	22
38	22
39	22
40	24
41	24
42	24
43	24
44	26
45	26
46	28
47	28
48	30
49	30
50	30
51	30
52	32
53	32
54	34
55	34
56	36
57	36
58	36
59	36
60	38
61	38
62	40
63	40
64	42
65	42
66	42
67	42
68	44
69	44
70	44
71	44
72	46
73	46
74	46

n	a(n)
1	0
2	0
3	0
4	2
5	2
6	2
7	2
8	4
9	4
10	4
11	4
12	6
13	6
14	8
15	8
16	10
17	10
18	10
19	10
20	12
21	12
22	12
23	12
24	14
25	14
26	14
27	14
28	16
29	16
30	18
31	18
32	20
33	20
34	20
35	20
36	22
37	22
38	22
39	22
40	24
41	24
42	24
43	24
44	26
45	26
46	28
47	28
48	30
49	30
50	30
51	30
52	32
53	32
54	34
55	34
56	36
57	36
58	36
59	36
60	38
61	38
62	40
63	40
64	42
65	42
66	42
67	42
68	44
69	44
70	44
71	44
72	46
73	46
74	46

n	a(n)
1	0
2	0
3	0
4	2
5	2
6	2
7	2
8	4
9	4
10	4
11	4
12	6
13	6
14	8
15	8
16	10
17	10
18	10
19	10
20	12
21	12
22	12
23	12
24	14
25	14
26	14
27	14
28	16
29	16
30	18
31	18
32	20
33	20
34	20
35	20
36	22
37	22
38	22
39	22
40	24
41	24
42	24
43	24
44	26
45	26
46	28
47	28
48	30
49	30
50	30
51	30
52	32
53	32
54	34
55	34
56	36
57	36
58	36
59	36
60	38
61	38
62	40
63	40
64	42
65	42
66	42
67	42
68	44
69	44
70	44
71	44
72	46
73	46
74	46