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A139675 as a simple table

n a(n)
8 1
9 2620
10 8372754
11 30649435140
12 133475706272700
13 711040444591249476
14 4686484162304929219950
15 38295413179145036856212700
16 386860001875783390762182911250
17 4805622573099374975572752075805000
18 72929153106385401417284439399165879652 

[1,2620,8372754,30649435140,133475706272700,
 711040444591249476,4686484162304929219950,
 38295413179145036856212700,
 386860001875783390762182911250,
 4805622573099374975572752075805000,
 72929153106385401417284439399165879652]

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Last modified May 3 17:07 EDT 2024. Contains 372221 sequences. (Running on oeis4.)