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A145892 as a simple table

na(n)
01
11
22
36
412
512
672
748
8144
9432
10144
111440
122880
13720
142880
1517280
1617280
172880
1843200
19172800
20129600
2117280
2286400
23864000
241728000
25864000
2686400
271814400
2812096000
2918144000
307257600
31604800
323628800
3354432000
34181440000
35181440000
3654432000
373628800

[1,1,2,6,12,12,72,48,144,432,144,1440,2880,720,
 2880,17280,17280,2880,43200,172800,129600,17280,
 86400,864000,1728000,864000,86400,1814400,
 12096000,18144000,7257600,604800,3628800,54432000,
 181440000,181440000,54432000,3628800]