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A203855 as a simple table

na(n)
11
240
385
4580
52928
617440
7101040
8609660
93706880
1022887192
11142567200
12895855380
135667708960
1436072949560
15230763023408
161482822818820
179565561745040
1861920953016320
19402074969960400
202618069854211784
2117090016552803440
22111812320834030800

[1,40,85,580,2928,17440,101040,609660,3706880,
 22887192,142567200,895855380,5667708960,
 36072949560,230763023408,1482822818820,
 9565561745040,61920953016320,402074969960400,
 2618069854211784,17090016552803440,
 111812320834030800]