A138680 - OEIS

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A138680 as a simple table

n	a(n)
2	1
3	2
4	3
5	2
6	2
7	10
8	8
9	16
10	1
11	18
12	26
13	21
14	39
15	41
16	14
17	25
18	42
19	44
20	37
21	60
22	50
23	36
24	72
25	1
26	24
27	28
28	41
29	15
30	93
31	60
32	2
33	23
34	130
35	60
36	111
37	77
38	43
39	151
40	77
41	140
42	79
43	153
44	138
45	28
46	78
47	93
48	153
49	120
50	5

[1,2,3,2,2,10,8,16,1,18,26,21,39,41,14,25,42,44, 37,60,50,36,72,1,24,28,41,15,93,60,2,23,130,60, 111,77,43,151,77,140,79,153,138,28,78,93,153,120, 5]