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A275160 as a simple table

n a(n)
1 1
2 4
3 3
4 9
5 27
6 133
7 315
8 841
9 747
10 4485
11 2799
12 14175
13 287061
14 530079
15 3061987
16 18371925
17 73487701
18 195967203 

[1,4,3,9,27,133,315,841,747,4485,2799,14175,
 287061,530079,3061987,18371925,73487701,195967203]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)