A204187 - OEIS

A204187 as a simple table

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

[0,1,2,0,4,3,6,0,6,5,10,0,12,7,10,0,16,9,18,0,14, 11,22,0,20,13,18,0,28,15,30,0,22,17,0,0,36,19,26, 0,40,21,42,0,21,23,46,0,42,25,34,0,52,27,0,0,38, 29,58,0,60,31,42,0,52,33,66,0,46,35,70,0]

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

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

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