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A114201 as a simple table

na(n)
01
124
2450
37700
4126126
52018016
631855824
7498841200
87773608700
9120784604512
101873533922260
1129034766346040
12449790717967500
136967723880880000
14107959904588606400
151673378521123399200
1625949671331244477300
17402629171550425820000
186250759024406391495000

[1,24,450,7700,126126,2018016,31855824,498841200,
 7773608700,120784604512,1873533922260,
 29034766346040,449790717967500,6967723880880000,
 107959904588606400,1673378521123399200,
 25949671331244477300,402629171550425820000,
 6250759024406391495000]