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A329490 as a simple table

na(n)
11
20
385
4156
52928
610880
7101040
8512500
93706880
1021434424
11142567200
12873807820
135667708960
1435731836120
15230763023408
161477455187500
179565561745040
1861835264112640
19402074969960400
202616685548364056
2117090016552803440
22111789735908403600

[1,0,85,156,2928,10880,101040,512500,3706880,
 21434424,142567200,873807820,5667708960,
 35731836120,230763023408,1477455187500,
 9565561745040,61835264112640,402074969960400,
 2616685548364056,17090016552803440,
 111789735908403600]