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A098616 as a simple table

na(n)
01
12
210
360
4406
52940
622308
7175032
81408550
911561836
1096425836
11814773960
126960289532
1360012947800
14521582661000
154564643261040
1640190674554630
17355772529165900
183164408450118300
1928266363849505320
20253466716153665300
212280803103062033160
2220588945107316958840

[1,2,10,60,406,2940,22308,175032,1408550,11561836,
 96425836,814773960,6960289532,60012947800,
 521582661000,4564643261040,40190674554630,
 355772529165900,3164408450118300,
 28266363849505320,253466716153665300,
 2280803103062033160,20588945107316958840]