A057872 - OEIS

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A057872 as a simple table

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

[0,0,1,2,2,3,3,5,5,5,5,8,8,10,10,10,10,13,13,16, 16,16,16,19,19,19,19,19,19,23,23,26,26,26,26,26, 26,30,30,30,30,33,33,37,37,37,37,41,41,41,41,41, 41,45,45,45,45,45,45,49,49,53,53,53,53,53,53,57, 57,57,57,62,62,66,66,66,66]

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

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

A057872 as a simple table

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