A225745 - OEIS

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A225745 as a simple table

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	8
7	9
8	10
9	13
10	15
11	17
12	19
13	21
14	23
15	25
16	27
17	28
18	30
19	33
20	34
21	37
22	40
23	43
24	45
25	48
26	50
27	53
28	54
29	58
30	60
31	64
32	66
33	68
34	70
35	74
36	77
37	79
38	82
39	84
40	87
41	91

[1,2,3,5,6,8,9,10,13,15,17,19,21,23,25,27,28,30, 33,34,37,40,43,45,48,50,53,54,58,60,64,66,68,70, 74,77,79,82,84,87,91]