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A249769 as a simple table

na(n)
11
23
32
418
56
6114
724
8792
9120
106120
11720
1252560
135040
14498960
1540320
165201280
17362880
1859149440
193628800
20729388800
2139916800
229699782400
23479001600
24138431462400
256227020800
262110960051200
2787178291200
2834261068441600
291307674368000
30589761139968000
3120922789888000

[1,3,2,18,6,114,24,792,120,6120,720,52560,5040,
 498960,40320,5201280,362880,59149440,3628800,
 729388800,39916800,9699782400,479001600,
 138431462400,6227020800,2110960051200,87178291200,
 34261068441600,1307674368000,589761139968000,
 20922789888000]