A091245 - OEIS

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A091245 as a simple table

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

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

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

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

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