A023841 - OEIS

A023841 as a simple table

n	a(n)
4	0
5	2
6	3
7	4
8	5
9	6
10	9
11	9
12	9
13	10
14	11
15	10
16	12
17	13
18	15
19	13
20	15
21	16
22	15
23	15
24	16
25	17
26	21
27	22
28	22
29	22
30	24
31	19
32	21
33	22
34	23
35	23
36	23
37	23
38	24
39	25
40	25
41	25
42	28
43	24
44	26
45	31
46	29
47	27
48	29
49	30
50	33
51	33
52	36
53	35
54	36
55	36
56	37
57	36
58	39
59	37
60	38
61	37
62	37
63	34
64	36
65	40
66	42
67	38
68	36
69	39
70	40
71	40
72	42
73	42
74	41
75	43
76	43
77	47
78	48
79	45
80	46
81	47

[0,2,3,4,5,6,9,9,9,10,11,10,12,13,15,13,15,16,15, 15,16,17,21,22,22,22,24,19,21,22,23,23,23,23,24, 25,25,25,28,24,26,31,29,27,29,30,33,33,36,35,36, 36,37,36,39,37,38,37,37,34,36,40,42,38,36,39,40, 40,42,42,41,43,43,47,48,45,46,47]

n	a(n)
4	0
5	2
6	3
7	4
8	5
9	6
10	9
11	9
12	9
13	10
14	11
15	10
16	12
17	13
18	15
19	13
20	15
21	16
22	15
23	15
24	16
25	17
26	21
27	22
28	22
29	22
30	24
31	19
32	21
33	22
34	23
35	23
36	23
37	23
38	24
39	25
40	25
41	25
42	28
43	24
44	26
45	31
46	29
47	27
48	29
49	30
50	33
51	33
52	36
53	35
54	36
55	36
56	37
57	36
58	39
59	37
60	38
61	37
62	37
63	34
64	36
65	40
66	42
67	38
68	36
69	39
70	40
71	40
72	42
73	42
74	41
75	43
76	43
77	47
78	48
79	45
80	46
81	47

n	a(n)
4	0
5	2
6	3
7	4
8	5
9	6
10	9
11	9
12	9
13	10
14	11
15	10
16	12
17	13
18	15
19	13
20	15
21	16
22	15
23	15
24	16
25	17
26	21
27	22
28	22
29	22
30	24
31	19
32	21
33	22
34	23
35	23
36	23
37	23
38	24
39	25
40	25
41	25
42	28
43	24
44	26
45	31
46	29
47	27
48	29
49	30
50	33
51	33
52	36
53	35
54	36
55	36
56	37
57	36
58	39
59	37
60	38
61	37
62	37
63	34
64	36
65	40
66	42
67	38
68	36
69	39
70	40
71	40
72	42
73	42
74	41
75	43
76	43
77	47
78	48
79	45
80	46
81	47

n	a(n)
4	0
5	2
6	3
7	4
8	5
9	6
10	9
11	9
12	9
13	10
14	11
15	10
16	12
17	13
18	15
19	13
20	15
21	16
22	15
23	15
24	16
25	17
26	21
27	22
28	22
29	22
30	24
31	19
32	21
33	22
34	23
35	23
36	23
37	23
38	24
39	25
40	25
41	25
42	28
43	24
44	26
45	31
46	29
47	27
48	29
49	30
50	33
51	33
52	36
53	35
54	36
55	36
56	37
57	36
58	39
59	37
60	38
61	37
62	37
63	34
64	36
65	40
66	42
67	38
68	36
69	39
70	40
71	40
72	42
73	42
74	41
75	43
76	43
77	47
78	48
79	45
80	46
81	47