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A227917 as a simple table

na(n)
11
24
326
4232
52624
635888
7575280
810569984
9218911872
105044346112
11127980834816
123544627393536
13106408500206592
143441351475359744
15119279906031888384
164410902376303722496
17173335758665503997952
187213199863532804702208
19316878056718379090771968

[1,4,26,232,2624,35888,575280,10569984,218911872,
 5044346112,127980834816,3544627393536,
 106408500206592,3441351475359744,
 119279906031888384,4410902376303722496,
 173335758665503997952,7213199863532804702208,
 316878056718379090771968]