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A214377 as a simple table

na(n)
01
14
224
3168
41280
510296
686016
7739024
86488064
957946200
10524812288
114808643120
1244493176832
13415146189360
143901709352960
1536902658748320
16350980432461824
173354743017001880
1832207616155320320
19310446853795570800
203003167577200394240
2129146910264615460240

[1,4,24,168,1280,10296,86016,739024,6488064,
 57946200,524812288,4808643120,44493176832,
 415146189360,3901709352960,36902658748320,
 350980432461824,3354743017001880,
 32207616155320320,310446853795570800,
 3003167577200394240,29146910264615460240]