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A212429 as a simple table

na(n)
11
21
32
44
548
696
71152
82304
9276480
10552960
116635520
1213271040
1333443020800
1466886041600
15802632499200
161605264998400
17385263599616000
18770527199232000
19194172854206464000
20388345708412928000
21512616335105064960000
221025232670210129920000

[1,1,2,4,48,96,1152,2304,276480,552960,6635520,
 13271040,33443020800,66886041600,802632499200,
 1605264998400,385263599616000,770527199232000,
 194172854206464000,388345708412928000,
 512616335105064960000,1025232670210129920000]