A004247 - OEIS

A004247 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	2
8	2
9	0
10	0
11	3
12	4
13	3
14	0
15	0
16	4
17	6
18	6
19	4
20	0
21	0
22	5
23	8
24	9
25	8
26	5
27	0
28	0
29	6
30	10
31	12
32	12
33	10
34	6
35	0
36	0
37	7
38	12
39	15
40	16
41	15
42	12
43	7
44	0
45	0
46	8
47	14
48	18
49	20
50	20
51	18
52	14
53	8
54	0
55	0
56	9
57	16
58	21
59	24
60	25
61	24
62	21
63	16
64	9
65	0
66	0
67	10
68	18
69	24
70	28
71	30
72	30
73	28
74	24
75	18
76	10
77	0
78	0
79	11
80	20
81	27
82	32
83	35
84	36
85	35
86	32
87	27
88	20
89	11
90	0
91	0
92	12
93	22
94	30
95	36
96	40
97	42
98	42
99	40
100	36
101	30

[0,0,0,0,1,0,0,2,2,0,0,3,4,3,0,0,4,6,6,4,0,0,5,8, 9,8,5,0,0,6,10,12,12,10,6,0,0,7,12,15,16,15,12,7, 0,0,8,14,18,20,20,18,14,8,0,0,9,16,21,24,25,24,21, 16,9,0,0,10,18,24,28,30,30,28,24,18,10,0,0,11,20, 27,32,35,36,35,32,27,20,11,0,0,12,22,30,36,40,42, 42,40,36,30]

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	2
8	2
9	0
10	0
11	3
12	4
13	3
14	0
15	0
16	4
17	6
18	6
19	4
20	0
21	0
22	5
23	8
24	9
25	8
26	5
27	0
28	0
29	6
30	10
31	12
32	12
33	10
34	6
35	0
36	0
37	7
38	12
39	15
40	16
41	15
42	12
43	7
44	0
45	0
46	8
47	14
48	18
49	20
50	20
51	18
52	14
53	8
54	0
55	0
56	9
57	16
58	21
59	24
60	25
61	24
62	21
63	16
64	9
65	0
66	0
67	10
68	18
69	24
70	28
71	30
72	30
73	28
74	24
75	18
76	10
77	0
78	0
79	11
80	20
81	27
82	32
83	35
84	36
85	35
86	32
87	27
88	20
89	11
90	0
91	0
92	12
93	22
94	30
95	36
96	40
97	42
98	42
99	40
100	36
101	30

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	2
8	2
9	0
10	0
11	3
12	4
13	3
14	0
15	0
16	4
17	6
18	6
19	4
20	0
21	0
22	5
23	8
24	9
25	8
26	5
27	0
28	0
29	6
30	10
31	12
32	12
33	10
34	6
35	0
36	0
37	7
38	12
39	15
40	16
41	15
42	12
43	7
44	0
45	0
46	8
47	14
48	18
49	20
50	20
51	18
52	14
53	8
54	0
55	0
56	9
57	16
58	21
59	24
60	25
61	24
62	21
63	16
64	9
65	0
66	0
67	10
68	18
69	24
70	28
71	30
72	30
73	28
74	24
75	18
76	10
77	0
78	0
79	11
80	20
81	27
82	32
83	35
84	36
85	35
86	32
87	27
88	20
89	11
90	0
91	0
92	12
93	22
94	30
95	36
96	40
97	42
98	42
99	40
100	36
101	30

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	0
6	0
7	2
8	2
9	0
10	0
11	3
12	4
13	3
14	0
15	0
16	4
17	6
18	6
19	4
20	0
21	0
22	5
23	8
24	9
25	8
26	5
27	0
28	0
29	6
30	10
31	12
32	12
33	10
34	6
35	0
36	0
37	7
38	12
39	15
40	16
41	15
42	12
43	7
44	0
45	0
46	8
47	14
48	18
49	20
50	20
51	18
52	14
53	8
54	0
55	0
56	9
57	16
58	21
59	24
60	25
61	24
62	21
63	16
64	9
65	0
66	0
67	10
68	18
69	24
70	28
71	30
72	30
73	28
74	24
75	18
76	10
77	0
78	0
79	11
80	20
81	27
82	32
83	35
84	36
85	35
86	32
87	27
88	20
89	11
90	0
91	0
92	12
93	22
94	30
95	36
96	40
97	42
98	42
99	40
100	36
101	30