A142240 - OEIS

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A142240 as a simple table

n	a(n)
1	1
2	2
3	2
4	2
5	3
6	2
7	2
8	4
9	4
10	2
11	2
12	5
13	6
14	5
15	2
16	2
17	6
18	8
19	8
20	6
21	2
22	2
23	7
24	10
25	11
26	10
27	7
28	2
29	2
30	8
31	12
32	14
33	14
34	12
35	8
36	2
37	2
38	9
39	14
40	17
41	18
42	17
43	14
44	9
45	2
46	2
47	10
48	16
49	20
50	22
51	22
52	20
53	16
54	10
55	2

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