A076874 - OEIS

A076874 as a simple table

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

[0,0,1,1,2,3,3,4,5,5,6,7,8,8,9,10,11,11,12,13,14, 15,15,16,17,18,19,19,20,21,22,23,24,24,25,26,27, 28,29,29,30,31,32,33,34,35,35,36,37,38,39,40,41, 41,42,43,44,45,46,47,48,48,49,50,51,52,53,54,55, 55,56,57,58,59]

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

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

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