A085247 - OEIS

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A085247 as a simple table

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

[0,3,1,2,2,2,3,2,2,2,4,2,2,2,2,4,2,2,2,2,3,4,2,2, 2,2,2,2,4,2,2,2,2,2,2]