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A141253 as a simple table

na(n)
11
22
36
424
5100
6408
71631
86440
925263
1098790
11385803
121506156
135881057
1422974406
1589804910
16351279584
171375035208
185386203792
1921113167346
2082816267480
21325055630634
221276635121388
235016837177052
2419725798613152
2577601159558800

[1,2,6,24,100,408,1631,6440,25263,98790,385803,
 1506156,5881057,22974406,89804910,351279584,
 1375035208,5386203792,21113167346,82816267480,
 325055630634,1276635121388,5016837177052,
 19725798613152,77601159558800]