A279506 - OEIS

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A279506 as a simple table

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

[1,1,1,2,2,4,4,4,4,6,6,6,6,12,12,12,12,12,12,12, 12,12,12,14,14,21,21,18,18,17,17,22,22,22,22,22, 22,28,28,28,28,25,25,32,32,32,32,40,40,40,40]