A105803 - OEIS

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A105803 as a simple table

n	a(n)
4	4
5	6
6	8
7	9
8	11
9	13
10	17
11	19
12	23
13	29
14	30
15	32
16	33
17	34
18	35
19	36
20	38
21	39
22	41
23	43
24	47
25	53
26	59
27	61
28	67
29	71
30	73
31	74
32	75
33	76
34	77
35	78
36	80
37	81
38	82
39	84
40	85
41	86

[4,6,8,9,11,13,17,19,23,29,30,32,33,34,35,36,38, 39,41,43,47,53,59,61,67,71,73,74,75,76,77,78,80, 81,82,84,85,86]