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A292891 as a simple table

na(n)
01
10
20
30
424
560
6120
7210
820496
9181944
101059120
114990590
12100458600
131634594676
1418436740504
15164378216730
162124284725920
1738171412643440
18631390188466656
198760417873485814
20124649582165430840
212167585391936047020
2241833303600025220360

[1,0,0,0,24,60,120,210,20496,181944,1059120,
 4990590,100458600,1634594676,18436740504,
 164378216730,2124284725920,38171412643440,
 631390188466656,8760417873485814,
 124649582165430840,2167585391936047020,
 41833303600025220360]