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A245066 as a simple table

na(n)
01
13
245
31260
451975
52837835
6192972780
715713497800
81490818103775
9161505294575625
1019671344879311125
112660996470946814000
12395823225053338582500
1364214706279807005422500
1411283441246308945238525000
152134827083801652439128930000

[1,3,45,1260,51975,2837835,192972780,15713497800,
 1490818103775,161505294575625,19671344879311125,
 2660996470946814000,395823225053338582500,
 64214706279807005422500,
 11283441246308945238525000,
 2134827083801652439128930000]