A023840 - OEIS

A023840 as a simple table

n	a(n)
3	0
4	3
5	5
6	5
7	7
8	8
9	8
10	11
11	11
12	10
13	12
14	14
15	13
16	14
17	16
18	16
19	14
20	18
21	17
22	17
23	18
24	18
25	19
26	25
27	23
28	23
29	25
30	24
31	23
32	24
33	23
34	26
35	24
36	24
37	25
38	26
39	27
40	27
41	28
42	29
43	25
44	30
45	32
46	31
47	31
48	30
49	33
50	36
51	33
52	37
53	38
54	38
55	39
56	40
57	36
58	40
59	39
60	39
61	39
62	41
63	38
64	39
65	43
66	42
67	37
68	38
69	41
70	42
71	44
72	43
73	43
74	45
75	43
76	46
77	50
78	48
79	49

[0,3,5,5,7,8,8,11,11,10,12,14,13,14,16,16,14,18, 17,17,18,18,19,25,23,23,25,24,23,24,23,26,24,24, 25,26,27,27,28,29,25,30,32,31,31,30,33,36,33,37, 38,38,39,40,36,40,39,39,39,41,38,39,43,42,37,38, 41,42,44,43,43,45,43,46,50,48,49]

n	a(n)
3	0
4	3
5	5
6	5
7	7
8	8
9	8
10	11
11	11
12	10
13	12
14	14
15	13
16	14
17	16
18	16
19	14
20	18
21	17
22	17
23	18
24	18
25	19
26	25
27	23
28	23
29	25
30	24
31	23
32	24
33	23
34	26
35	24
36	24
37	25
38	26
39	27
40	27
41	28
42	29
43	25
44	30
45	32
46	31
47	31
48	30
49	33
50	36
51	33
52	37
53	38
54	38
55	39
56	40
57	36
58	40
59	39
60	39
61	39
62	41
63	38
64	39
65	43
66	42
67	37
68	38
69	41
70	42
71	44
72	43
73	43
74	45
75	43
76	46
77	50
78	48
79	49

n	a(n)
3	0
4	3
5	5
6	5
7	7
8	8
9	8
10	11
11	11
12	10
13	12
14	14
15	13
16	14
17	16
18	16
19	14
20	18
21	17
22	17
23	18
24	18
25	19
26	25
27	23
28	23
29	25
30	24
31	23
32	24
33	23
34	26
35	24
36	24
37	25
38	26
39	27
40	27
41	28
42	29
43	25
44	30
45	32
46	31
47	31
48	30
49	33
50	36
51	33
52	37
53	38
54	38
55	39
56	40
57	36
58	40
59	39
60	39
61	39
62	41
63	38
64	39
65	43
66	42
67	37
68	38
69	41
70	42
71	44
72	43
73	43
74	45
75	43
76	46
77	50
78	48
79	49

n	a(n)
3	0
4	3
5	5
6	5
7	7
8	8
9	8
10	11
11	11
12	10
13	12
14	14
15	13
16	14
17	16
18	16
19	14
20	18
21	17
22	17
23	18
24	18
25	19
26	25
27	23
28	23
29	25
30	24
31	23
32	24
33	23
34	26
35	24
36	24
37	25
38	26
39	27
40	27
41	28
42	29
43	25
44	30
45	32
46	31
47	31
48	30
49	33
50	36
51	33
52	37
53	38
54	38
55	39
56	40
57	36
58	40
59	39
60	39
61	39
62	41
63	38
64	39
65	43
66	42
67	37
68	38
69	41
70	42
71	44
72	43
73	43
74	45
75	43
76	46
77	50
78	48
79	49