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A001345 as a simple table

na(n)
-17
016
149
2212
31158
47584
557720
6499680
74843440
851932160
9610001280
107787404800
11107336275200
121588369305600
1325113574886400
14422465999155200
157533512034048000
16141940206600192000
172817400117948416000
1858760985871171584000
191284693905417674752000

[7,16,49,212,1158,7584,57720,499680,4843440,
 51932160,610001280,7787404800,107336275200,
 1588369305600,25113574886400,422465999155200,
 7533512034048000,141940206600192000,
 2817400117948416000,58760985871171584000,
 1284693905417674752000]