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A001762 as a simple table

na(n)
31
41
510
6180
74620
8152880
96168960
10293025600
1115990004800
12984647664000
1367493121696000
145094263446272000
15419688934689024000
1637465564582397952000
173601861863990534144000
18370962724717928318976000
1940744403224500159055872000

[1,1,10,180,4620,152880,6168960,293025600,
 15990004800,984647664000,67493121696000,
 5094263446272000,419688934689024000,
 37465564582397952000,3601861863990534144000,
 370962724717928318976000,
 40744403224500159055872000]