A073261 - OEIS

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A073261 as a simple table

n	a(n)
0	4
1	4
2	3
3	3
4	3
5	4
6	3
7	5
8	4
9	4
10	5
11	4
12	5
13	6
14	6
15	6
16	6
17	5
18	6
19	6
20	7
21	6
22	6
23	6
24	7
25	7
26	8
27	7
28	7
29	8
30	8
31	8
32	8
33	8
34	8
35	8
36	8
37	9
38	9
39	9
40	9
41	9
42	10
43	10
44	9
45	10

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