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A324514 as a simple table

na(n)
11
20
33
416
5115
6660
75033
839936
9362718
103624920
1139916789
12478953648
136227020787
1487177645996
151307674338105
1620922779566080
17355687428095983
186402373519409856
19121645100408831981
202432902004460734000
2151090942171698415483
221124000727695858073380

[1,0,3,16,115,660,5033,39936,362718,3624920,
 39916789,478953648,6227020787,87177645996,
 1307674338105,20922779566080,355687428095983,
 6402373519409856,121645100408831981,
 2432902004460734000,51090942171698415483,
 1124000727695858073380]