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A126678 as a simple table

n a(n)
5 1
6 15
7 2625
8 5145000
9 115500105000
10 31107065779125000
11 106290666272665586250000
12 4888916787397632685446712500000
13 3213029533312882851092617168726650000000
14 31994396252008620689512942684899448442297400000000
15 5110196342132990821731075942773950194550115556089232000000000 

[1,15,2625,5145000,115500105000,31107065779125000,
 106290666272665586250000,
 4888916787397632685446712500000,
 3213029533312882851092617168726650000000,
 31994396252008620689512942684899448442297400000000\
 ,
 51101963421329908217310759427739501945501155560892\
 32000000000]

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Last modified April 18 04:22 EDT 2024. Contains 371767 sequences. (Running on oeis4.)