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A082298 as a simple table

na(n)
01
14
220
3116
4740
55028
635700
7261780
81967300
915072836
10117297620
11924612532
127367204260
1359240277988
14480118631220
153917880562644
1632163325863300
17265446382860420
182201136740855700
1918329850024033012
20153225552507991140

[1,4,20,116,740,5028,35700,261780,1967300,
 15072836,117297620,924612532,7367204260,
 59240277988,480118631220,3917880562644,
 32163325863300,265446382860420,2201136740855700,
 18329850024033012,153225552507991140]