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A147146 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 3
6 9
7 19
8 67
9 271
10 1339
11 7503
12 48863
13 386667
14 3842993
15 45897369
16 657696677 

[1,1,1,1,3,9,19,67,271,1339,7503,48863,386667,
 3842993,45897369,657696677]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)