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A051397 as a simple table

n a(n)
0 0
1 1
2 7
3 141
4 5923
5 426457
6 46910271
7 7318002277
8 1536780478171
9 418004290062513
10 142957467201379447
11 60042136224579367741
12 30381320929637160076947
13 18228792557782296046168201
14 12796612375563171824410077103
15 10390849248957295521420982607637

[0,1,7,141,5923,426457,46910271,7318002277,
 1536780478171,418004290062513,142957467201379447,
 60042136224579367741,30381320929637160076947,
 18228792557782296046168201,
 12796612375563171824410077103,
 10390849248957295521420982607637]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)