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A157983 a(n)=3!*n!/(8!*19!) 0

%I

%S 759,18975,493350,13320450,372972600,10816205400,324486162000,

%T 10059071022000,321890272704000,10622378999232000,361160885973888000,

%U 12640631009086080000,455062716327098880000,16837320504102658560000,639818179155901025280000

%N a(n)=3!*n!/(8!*19!)

%C From calculations for a Witt design: http://www.math.uic.edu/~ronan/Witt_design;

%t Flatten[Table[If[IntegerQ[3!*n!/(8!*19! )], 3!*n!/(8!*19! ), {}], {n, 0, 48}]]

%K nonn

%O 24,1

%A _Roger L. Bagula_, Mar 10 2009

%E Edited by _N. J. A. Sloane_, Mar 14 2009

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Last modified August 12 05:33 EDT 2020. Contains 336438 sequences. (Running on oeis4.)