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A154242 as a simple table

na(n)
01
13
245
31890
456700
5748440
610216206000
78756748000
82841962760000
924946749107280000
108232427205402400000
11103279541304139200000
123101484625363300176000000
131431454442475369312000000

[1,3,45,1890,56700,748440,10216206000,8756748000,
 2841962760000,24946749107280000,
 8232427205402400000,103279541304139200000,
 3101484625363300176000000,
 1431454442475369312000000]