A077175 Product of terms in n-th row of triangle in A077172.
2, 6, 60, 5040, 384384, 36628200, 5967561600, 1220096908800, 350804594649600, 97292707463952000, 42873948150095462400, 21336925409736330240000, 11640487097965528951948800, 7998487694738166709923840000
Offset: 1
Keywords
Extensions
Extended by Ray Chandler, Nov 29 2004