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A279307 as a simple table

n a(n)
0 0
1 1
2 1
3 5
4 137
5 647
6 22951
7 328201
8 26965819
9 135880897
10 37044323689
11 91760237711
12 250120070812867
13 235374750708709
14 38112363401091809
15 1747698886011364219
16 2880212454433162868027
17 1444514603466022486187
18 54349494835431693600323

[0,1,1,5,137,647,22951,328201,26965819,135880897,
 37044323689,91760237711,250120070812867,
 235374750708709,38112363401091809,
 1747698886011364219,2880212454433162868027,
 1444514603466022486187,54349494835431693600323]

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