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A300620 as a simple table

na(n)
11
21
31
41
53
63
71
87
930
1014
111
1215
13207
14550
1585
161
1731
181290
1914226
2015375
21621
221
2363
247803
25340550
261852800
27601398
285236
291
30127
3146830
328086594
33215528250
34409408077
3531299268
3649680
371
38255
39280647
40192663030
4125359510515
42280823532696
43142286748933
442093655600
45521721
461
47511
481682130
494605331346
503013207159725
51197431364485587
52676005054191880
5373448832515952
54175312873125
555994155

[1,1,1,1,3,3,1,7,30,14,1,15,207,550,85,1,31,1290,
 14226,15375,621,1,63,7803,340550,1852800,601398,
 5236,1,127,46830,8086594,215528250,409408077,
 31299268,49680,1,255,280647,192663030,25359510515,
 280823532696,142286748933,2093655600,521721,1,511,
 1682130,4605331346,3013207159725,197431364485587,
 676005054191880,73448832515952,175312873125,
 5994155]