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A172788 as a simple table

na(n)
13391
262810128195920
32275745987915517509338826880
412263459619622095086766632900215307533209600
52789130810728711760475063805085713493445792640582613331968000

[3391,62810128195920,2275745987915517509338826880,
 12263459619622095086766632900215307533209600,
 27891308107287117604750638050857134934457926405826\
 13331968000]