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A015489 as a simple table

n a(n)
0 1
1 4
2 17
3 289
4 18785
5 4827745
6 4948438625
7 20273753046625
8 332185443668950625
9 21770437421732017110625
10 5707011317919939625464790625
11 5984240806710536532650993759190625 

[1,4,17,289,18785,4827745,4948438625,
 20273753046625,332185443668950625,
 21770437421732017110625,
 5707011317919939625464790625,
 5984240806710536532650993759190625]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)