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A001907 as a simple table

n a(n)
0 1
1 3
2 25
3 299
4 4785
5 95699
6 2296777
7 64309755
8 2057912161
9 74084837795
10 2963393511801
11 130389314519243
12 6258687096923665
13 325451729040030579
14 18225296826241712425
15 1093517809574502745499
16 69985139812768175711937
17 4758989507268235948411715

[1,3,25,299,4785,95699,2296777,64309755,
 2057912161,74084837795,2963393511801,
 130389314519243,6258687096923665,
 325451729040030579,18225296826241712425,
 1093517809574502745499,69985139812768175711937,
 4758989507268235948411715]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)