A063973 - OEIS

A063973 as a simple table

n	a(n)
1	1
2	0
3	2
4	3
5	4
6	5
7	0
8	7
9	8
10	9
11	0
12	11
13	0
14	13
15	0
16	0
17	16
18	17
19	0
20	19
21	0
22	0
23	0
24	23
25	0
26	25
27	0
28	27
29	0
30	29
31	0
32	31
33	32
34	0
35	0
36	24
37	0
38	37
39	0
40	28
41	0
42	41
43	0
44	43
45	0
46	0
47	0
48	47
49	0
50	49
51	0
52	0
53	0
54	53
55	0
56	39
57	0
58	0
59	0
60	59
61	0
62	61
63	0
64	0
65	64
66	0
67	0
68	67
69	0
70	52
71	0
72	71
73	0
74	73
75	0
76	0
77	0
78	50
79	0
80	79
81	0
82	81
83	0
84	83
85	0
86	0
87	0
88	0

[1,0,2,3,4,5,0,7,8,9,0,11,0,13,0,0,16,17,0,19,0,0, 0,23,0,25,0,27,0,29,0,31,32,0,0,24,0,37,0,28,0,41, 0,43,0,0,0,47,0,49,0,0,0,53,0,39,0,0,0,59,0,61,0, 0,64,0,0,67,0,52,0,71,0,73,0,0,0,50,0,79,0,81,0, 83,0,0,0,0]

n	a(n)
1	1
2	0
3	2
4	3
5	4
6	5
7	0
8	7
9	8
10	9
11	0
12	11
13	0
14	13
15	0
16	0
17	16
18	17
19	0
20	19
21	0
22	0
23	0
24	23
25	0
26	25
27	0
28	27
29	0
30	29
31	0
32	31
33	32
34	0
35	0
36	24
37	0
38	37
39	0
40	28
41	0
42	41
43	0
44	43
45	0
46	0
47	0
48	47
49	0
50	49
51	0
52	0
53	0
54	53
55	0
56	39
57	0
58	0
59	0
60	59
61	0
62	61
63	0
64	0
65	64
66	0
67	0
68	67
69	0
70	52
71	0
72	71
73	0
74	73
75	0
76	0
77	0
78	50
79	0
80	79
81	0
82	81
83	0
84	83
85	0
86	0
87	0
88	0

n	a(n)
1	1
2	0
3	2
4	3
5	4
6	5
7	0
8	7
9	8
10	9
11	0
12	11
13	0
14	13
15	0
16	0
17	16
18	17
19	0
20	19
21	0
22	0
23	0
24	23
25	0
26	25
27	0
28	27
29	0
30	29
31	0
32	31
33	32
34	0
35	0
36	24
37	0
38	37
39	0
40	28
41	0
42	41
43	0
44	43
45	0
46	0
47	0
48	47
49	0
50	49
51	0
52	0
53	0
54	53
55	0
56	39
57	0
58	0
59	0
60	59
61	0
62	61
63	0
64	0
65	64
66	0
67	0
68	67
69	0
70	52
71	0
72	71
73	0
74	73
75	0
76	0
77	0
78	50
79	0
80	79
81	0
82	81
83	0
84	83
85	0
86	0
87	0
88	0

n	a(n)
1	1
2	0
3	2
4	3
5	4
6	5
7	0
8	7
9	8
10	9
11	0
12	11
13	0
14	13
15	0
16	0
17	16
18	17
19	0
20	19
21	0
22	0
23	0
24	23
25	0
26	25
27	0
28	27
29	0
30	29
31	0
32	31
33	32
34	0
35	0
36	24
37	0
38	37
39	0
40	28
41	0
42	41
43	0
44	43
45	0
46	0
47	0
48	47
49	0
50	49
51	0
52	0
53	0
54	53
55	0
56	39
57	0
58	0
59	0
60	59
61	0
62	61
63	0
64	0
65	64
66	0
67	0
68	67
69	0
70	52
71	0
72	71
73	0
74	73
75	0
76	0
77	0
78	50
79	0
80	79
81	0
82	81
83	0
84	83
85	0
86	0
87	0
88	0