A228086 - OEIS

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A228086 as a simple table

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

[0,0,1,2,0,3,0,5,6,8,7,9,10,0,11,0,13,14,0,15,18, 0,19,0,21,22,24,23,25,26,0,27,0,29,30,33,31,0,35, 0,37,38,40,39,41,42,0,43,0,45,46,0,47,50,0,51,0, 53,54,56,55,57,58,0,59,64,61,62,66,63,67,0]

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

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

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