A049780 - OEIS

A049780 as a simple table

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

[0,1,0,3,2,0,6,5,3,0,10,9,7,4,0,15,14,12,9,5,0,21, 20,18,15,11,6,0,28,27,25,22,18,13,7,0,36,35,33,30, 26,21,15,8,0,45,44,42,39,35,30,24,17,9,0,55,54,52, 49,45,40,34,27,19,10,0,66,65,63,60,56,51,45,38,30, 21,11,0]

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

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

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