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A154308 as a simple table

na(n)
01
1192
210206
3344064
49450000
5235146240
65590680480
7130799370240
83064161260160
972648576000000
101755018872006400
1143385497111756800
121100535435333734400
1328694585299245465600
14769785401024640000000
1521259022134381903872000
16604515265659140419584000
1717698965059877321572352000

[1,192,10206,344064,9450000,235146240,5590680480,
 130799370240,3064161260160,72648576000000,
 1755018872006400,43385497111756800,
 1100535435333734400,28694585299245465600,
 769785401024640000000,21259022134381903872000,
 604515265659140419584000,
 17698965059877321572352000]