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A146637 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 7
7 21
8 49
9 223
10 1043
11 7899
12 74561
13 730567
14 8688119
15 134449641
16 2597702163
17 64827359403
18 1993658503781
19 73350618685271
20 3327101809889351 

[1,1,1,1,1,7,21,49,223,1043,7899,74561,730567,
 8688119,134449641,2597702163,64827359403,
 1993658503781,73350618685271,3327101809889351]

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Last modified September 16 05:57 EDT 2024. Contains 375959 sequences. (Running on oeis4.)