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A126680 as a simple table

n a(n)
4 1
5 10
6 650
7 227500
8 386977500
9 3006815175000
10 102547431543375000
11 14946288147446906250000
12 9139670148451930618781250000
13 23146488841058967849982079062500000
14 240532409681630323860212020187339062500000
15 10187978717854649915906947316453923964296875000000
16 1750283547138817933292555967231683354203766362734375000000

[1,10,650,227500,386977500,3006815175000,
 102547431543375000,14946288147446906250000,
 9139670148451930618781250000,
 23146488841058967849982079062500000,
 240532409681630323860212020187339062500000,
 10187978717854649915906947316453923964296875000000\
 ,
 17502835471388179332925559672316833542037663627343\
 75000000]

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Last modified May 11 13:41 EDT 2021. Contains 343791 sequences. (Running on oeis4.)