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A244108 as a simple table

na(n)
01
11
22
32
44
516
640
780
880
98
1064
11400
122240
1311360
1455040
15253440
161056000
173801600
1810982400
1921964800
2021964800
2116
22208
232048
2418816
25168768
261508032
2713501312
28121362560
291099169280
3010049994240
3192644597760
32857213660160
337907423180800
3472155129446400

[1,1,2,2,4,16,40,80,80,8,64,400,2240,11360,55040,
 253440,1056000,3801600,10982400,21964800,21964800,
 16,208,2048,18816,168768,1508032,13501312,
 121362560,1099169280,10049994240,92644597760,
 857213660160,7907423180800,72155129446400]