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A147509 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 5
10 9
11 15
12 23
13 53
14 159
15 467
16 1455
17 4183
18 13257
19 47381
20 210539
21 963601
22 4871497
23 24721415
24 137844971
25 829467103
26 5811222331 

[1,1,1,1,1,1,1,3,5,9,15,23,53,159,467,1455,4183,
 13257,47381,210539,963601,4871497,24721415,
 137844971,829467103,5811222331]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)