A133030 - OEIS

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A133030 as a simple table

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	9
7	10
8	15
9	18
10	19
11	27
12	30
13	38
14	45
15	54
16	57
17	90
18	95
19	114
20	135
21	171
22	190
23	270
24	285
25	342
26	513
27	570
28	855
29	1026
30	1710
31	2565
32	5130

[1,2,3,5,6,9,10,15,18,19,27,30,38,45,54,57,90,95, 114,135,171,190,270,285,342,513,570,855,1026,1710, 2565,5130]