A089308 - OEIS

A089308 as a simple table

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	5
7	4
8	5
9	6
10	10
11	5
12	6
13	7
14	8
15	9
16	6
17	7
18	8
19	9
20	10
21	11
22	7
23	8
24	9
25	10
26	11
27	12
28	14
29	8
30	9
31	10
32	11
33	12
34	14
35	15
36	16
37	9
38	10
39	11
40	12
41	13
42	14
43	15
44	16
45	21
46	10
47	11
48	12
49	13
50	14
51	15
52	17
53	18
54	19
55	20
56	11
57	12
58	13
59	14
60	15
61	16
62	17
63	18
64	19
65	20
66	21
67	12
68	13
69	14
70	15
71	16
72	17
73	18
74	19
75	20
76	21
77	22
78	23

[1,2,3,3,4,5,4,5,6,10,5,6,7,8,9,6,7,8,9,10,11,7,8, 9,10,11,12,14,8,9,10,11,12,14,15,16,9,10,11,12,13, 14,15,16,21,10,11,12,13,14,15,17,18,19,20,11,12, 13,14,15,16,17,18,19,20,21,12,13,14,15,16,17,18, 19,20,21,22,23]

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	5
7	4
8	5
9	6
10	10
11	5
12	6
13	7
14	8
15	9
16	6
17	7
18	8
19	9
20	10
21	11
22	7
23	8
24	9
25	10
26	11
27	12
28	14
29	8
30	9
31	10
32	11
33	12
34	14
35	15
36	16
37	9
38	10
39	11
40	12
41	13
42	14
43	15
44	16
45	21
46	10
47	11
48	12
49	13
50	14
51	15
52	17
53	18
54	19
55	20
56	11
57	12
58	13
59	14
60	15
61	16
62	17
63	18
64	19
65	20
66	21
67	12
68	13
69	14
70	15
71	16
72	17
73	18
74	19
75	20
76	21
77	22
78	23

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	5
7	4
8	5
9	6
10	10
11	5
12	6
13	7
14	8
15	9
16	6
17	7
18	8
19	9
20	10
21	11
22	7
23	8
24	9
25	10
26	11
27	12
28	14
29	8
30	9
31	10
32	11
33	12
34	14
35	15
36	16
37	9
38	10
39	11
40	12
41	13
42	14
43	15
44	16
45	21
46	10
47	11
48	12
49	13
50	14
51	15
52	17
53	18
54	19
55	20
56	11
57	12
58	13
59	14
60	15
61	16
62	17
63	18
64	19
65	20
66	21
67	12
68	13
69	14
70	15
71	16
72	17
73	18
74	19
75	20
76	21
77	22
78	23

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	5
7	4
8	5
9	6
10	10
11	5
12	6
13	7
14	8
15	9
16	6
17	7
18	8
19	9
20	10
21	11
22	7
23	8
24	9
25	10
26	11
27	12
28	14
29	8
30	9
31	10
32	11
33	12
34	14
35	15
36	16
37	9
38	10
39	11
40	12
41	13
42	14
43	15
44	16
45	21
46	10
47	11
48	12
49	13
50	14
51	15
52	17
53	18
54	19
55	20
56	11
57	12
58	13
59	14
60	15
61	16
62	17
63	18
64	19
65	20
66	21
67	12
68	13
69	14
70	15
71	16
72	17
73	18
74	19
75	20
76	21
77	22
78	23