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A263884 as a simple table

n a(n)
1 1
2 3
3 280
4 2627625
5 5194672859376
6 1903991899429620
7 1461034854396267778567973305958400
8 450538787986875167583433232345723106006796340625
9 146413934927214422927834111686633731590253260933067148964500000000
10 3752368324673960479843764075706478869144868251518618794695144146928706880 

[1,3,280,2627625,5194672859376,1903991899429620,
 1461034854396267778567973305958400,
 450538787986875167583433232345723106006796340625,
 14641393492721442292783411168663373159025326093306\
 7148964500000000,
 37523683246739604798437640757064788691448682515186\
 18794695144146928706880]

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)