A011877 - OEIS

A011877 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	2
9	3
10	3
11	4
12	5
13	6
14	7
15	8
16	10
17	11
18	12
19	14
20	15
21	17
22	19
23	21
24	23
25	25
26	27
27	29
28	31
29	33
30	36
31	38
32	41
33	44
34	46
35	49
36	52
37	55
38	58
39	61
40	65
41	68
42	71
43	75
44	78
45	82
46	86
47	90
48	94
49	98
50	102
51	106
52	110
53	114
54	119
55	123
56	128
57	133
58	137
59	142
60	147
61	152
62	157
63	162
64	168
65	173
66	178
67	184
68	189

[0,0,0,0,0,0,1,1,2,3,3,4,5,6,7,8,10,11,12,14,15, 17,19,21,23,25,27,29,31,33,36,38,41,44,46,49,52, 55,58,61,65,68,71,75,78,82,86,90,94,98,102,106, 110,114,119,123,128,133,137,142,147,152,157,162, 168,173,178,184,189]

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	2
9	3
10	3
11	4
12	5
13	6
14	7
15	8
16	10
17	11
18	12
19	14
20	15
21	17
22	19
23	21
24	23
25	25
26	27
27	29
28	31
29	33
30	36
31	38
32	41
33	44
34	46
35	49
36	52
37	55
38	58
39	61
40	65
41	68
42	71
43	75
44	78
45	82
46	86
47	90
48	94
49	98
50	102
51	106
52	110
53	114
54	119
55	123
56	128
57	133
58	137
59	142
60	147
61	152
62	157
63	162
64	168
65	173
66	178
67	184
68	189

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	2
9	3
10	3
11	4
12	5
13	6
14	7
15	8
16	10
17	11
18	12
19	14
20	15
21	17
22	19
23	21
24	23
25	25
26	27
27	29
28	31
29	33
30	36
31	38
32	41
33	44
34	46
35	49
36	52
37	55
38	58
39	61
40	65
41	68
42	71
43	75
44	78
45	82
46	86
47	90
48	94
49	98
50	102
51	106
52	110
53	114
54	119
55	123
56	128
57	133
58	137
59	142
60	147
61	152
62	157
63	162
64	168
65	173
66	178
67	184
68	189

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	2
9	3
10	3
11	4
12	5
13	6
14	7
15	8
16	10
17	11
18	12
19	14
20	15
21	17
22	19
23	21
24	23
25	25
26	27
27	29
28	31
29	33
30	36
31	38
32	41
33	44
34	46
35	49
36	52
37	55
38	58
39	61
40	65
41	68
42	71
43	75
44	78
45	82
46	86
47	90
48	94
49	98
50	102
51	106
52	110
53	114
54	119
55	123
56	128
57	133
58	137
59	142
60	147
61	152
62	157
63	162
64	168
65	173
66	178
67	184
68	189