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A123480 as a simple table

na(n)
14
260
3840
411704
5163020
62270580
731625104
8440480880
96135107220
1085451020204
111190179175640
1216577057438760
13230888624967004
143215863692099300
1544791203064423200
16623860979209825504
178689262505873133860
18121025814103014048540
191685672134936323545704

[4,60,840,11704,163020,2270580,31625104,440480880,
 6135107220,85451020204,1190179175640,
 16577057438760,230888624967004,3215863692099300,
 44791203064423200,623860979209825504,
 8689262505873133860,121025814103014048540,
 1685672134936323545704]