A240450 - OEIS

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A240450 as a simple table

n	a(n)
1	2
2	1
3	3
4	2
5	3
6	4
7	3
8	4
9	3
10	5
11	4
12	5
13	4
14	5
15	6
16	5
17	6
18	5
19	6
20	5
21	7
22	6
23	7
24	6
25	7
26	6
27	7
28	8
29	7
30	8
31	7
32	8
33	7
34	8
35	7
36	9
37	8
38	9
39	8
40	9

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