A355895 - OEIS

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A355895 as a simple table

n	a(n)
1	1
2	3
3	11
4	7
5	17
6	41
7	37
8	83
9	79
10	109
11	241
12	239
13	499
14	491
15	1117
16	1109
17	2539
18	2531
19	5623
20	5591
21	11471
22	11467
23	23369
24	23357

[1,3,11,7,17,41,37,83,79,109,241,239,499,491,1117, 1109,2539,2531,5623,5591,11471,11467,23369,23357]