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A207171 as a simple table

na(n)
16
236
390
4261
5624
61482
73808
89512
923280
1058080
11144996
12359100
13891940
142220008
155514460
1613697376
1734051032
1884622140
19210256020
20522523332
211298558624
223226860476
238018895456
2419927723520
2549521161364
26123062138780
27305817249300

[6,36,90,261,624,1482,3808,9512,23280,58080,
 144996,359100,891940,2220008,5514460,13697376,
 34051032,84622140,210256020,522523332,1298558624,
 3226860476,8018895456,19927723520,49521161364,
 123062138780,305817249300]