A140819 - OEIS

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A140819 as a simple table

n	a(n)
0	0
1	2
2	2
3	4
4	1
5	4
6	6
7	2
8	2
9	6
10	8
11	2
12	2
13	2
14	8
15	10
16	2
17	2
18	2
19	2
20	10
21	12
22	2
23	4
24	3
25	4
26	2
27	12
28	14
29	2
30	2
31	2
32	2
33	2
34	2
35	14
36	16
37	2
38	4
39	2
40	4
41	2
42	4
43	2
44	16
45	18
46	2
47	2
48	6
49	2
50	2
51	6
52	2
53	2
54	18

[0,2,2,4,1,4,6,2,2,6,8,2,2,2,8,10,2,2,2,2,10,12,2, 4,3,4,2,12,14,2,2,2,2,2,2,14,16,2,4,2,4,2,4,2,16, 18,2,2,6,2,2,6,2,2,18]