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A053489 as a simple table

na(n)
01
10
24
36
464
5300
62568
720160
8193856
91989792
1022687200
11279956160
123737966208
1353589444480
14821522026752
1513407498599040
16232106716968960
174248256958023680
1881968803604600832
191662870215019018240
2035384007384670648320
21788053048823608565760

[1,0,4,6,64,300,2568,20160,193856,1989792,
 22687200,279956160,3737966208,53589444480,
 821522026752,13407498599040,232106716968960,
 4248256958023680,81968803604600832,
 1662870215019018240,35384007384670648320,
 788053048823608565760]