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A046212 as a simple table

na(n)
11
21
31
46
51
630
71
8140
91
10630
111
122772
131
1412012
151
1651480
171
18218790
191
20923780
211
223879876
231
2416224936
251
2667603900
271
28280816200
291
301163381400
311
324808643120
331
3419835652870
351
3681676217700
371
38335780006100
391
401378465288200
411

[1,1,1,6,1,30,1,140,1,630,1,2772,1,12012,1,51480,
 1,218790,1,923780,1,3879876,1,16224936,1,67603900,
 1,280816200,1,1163381400,1,4808643120,1,
 19835652870,1,81676217700,1,335780006100,1,
 1378465288200,1]