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A102928 as a simple table

na(n)
11
24
318
448
5300
6120
7980
82240
922680
1025200
11304920
12332640
134684680
145045040
155405400
1611531520
17208288080
1873513440
191474352880
2062078016
21108636528
22113809696
232736605872
248566766208
25223092870000
26232016584800

[1,4,18,48,300,120,980,2240,22680,25200,304920,
 332640,4684680,5045040,5405400,11531520,208288080,
 73513440,1474352880,62078016,108636528,113809696,
 2736605872,8566766208,223092870000,232016584800]