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A120248 as a simple table

na(n)
01
14
275
37056
43457440
59032601600
6127843321480875
79917120529316000000
84253520573615071657074176
910156681309872614660803421798400
10135766978921156343322148046967386880000
1110205737152660536205131284348877857357824000000

[1,4,75,7056,3457440,9032601600,127843321480875,
 9917120529316000000,4253520573615071657074176,
 10156681309872614660803421798400,
 135766978921156343322148046967386880000,
 10205737152660536205131284348877857357824000000]