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A007761 as a simple table

n a(n)
0 1
1 54
2 6381
3 1176900
4 295843509
5 94263721650
6 36391089828249
7 16506884910849480
8 8603605199199386025
9 5066519768097762780270
10 3326644994941284848273925
11 2409605195467508091244871820 

[1,54,6381,1176900,295843509,94263721650,
 36391089828249,16506884910849480,
 8603605199199386025,5066519768097762780270,
 3326644994941284848273925,
 2409605195467508091244871820]

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)