A239308 - OEIS

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A239308 as a simple table

n	a(n)
0	1
1	2
2	3
3	3
4	4
5	4
6	4
7	5
8	5
9	5
10	6
11	6
12	6
13	6
14	7
15	7
16	7
17	7
18	7
19	8
20	8
21	8
22	8
23	8
24	8
25	9
26	9
27	9
28	9
29	9
30	10
31	10
32	10
33	10
34	10
35	10
36	10
37	10

[1,2,3,3,4,4,4,5,5,5,6,6,6,6,7,7,7,7,7,8,8,8,8,8, 8,9,9,9,9,9,10,10,10,10,10,10,10,10]