login

A141421 as a simple table

na(n)
01
112
2720
360480
43628800
5479001600
62615348736000
731384184832000
832011868528640000
951090942171709440000
1033720021833328230400000
119306726025998591590400000
1250814724101952310083584000000

[1,12,720,60480,3628800,479001600,2615348736000,
 31384184832000,32011868528640000,
 51090942171709440000,33720021833328230400000,
 9306726025998591590400000,
 50814724101952310083584000000]