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A145899 as a simple table

na(n)
11
212
324
472
5168
6240
7336
8360
9504
10576
11720
121440
132880
144320
155760
168640
1710080
1815120
1917280
2020160
2130240
2240320
2360480
24120960
25181440
26241920
27362880
28483840
29604800
30725760
311088640
321209600
331451520
342177280
352419200
362903040
373628800

[1,12,24,72,168,240,336,360,504,576,720,1440,2880,
 4320,5760,8640,10080,15120,17280,20160,30240,
 40320,60480,120960,181440,241920,362880,483840,
 604800,725760,1088640,1209600,1451520,2177280,
 2419200,2903040,3628800]