%I A001009
%S A001009 1,1,1,1,1,1,1,3,4,4,1,11,46,56,56,1,53,1064,6552,9408,9408,1,309,
%T A001009 35792,1293216,11270400,16942080,16942080,1,2119,1673792,420909504,
%U A001009 27206658048
%N A001009 Triangle giving number L(n,k) of normalized k X n Latin rectangles.
%D A001009 CRC Handbook of Combinatorial Designs, 1996, p. 104.
%H A001009 B. D. McKay and E. Rogoyski, <a href="http://www.combinatorics.org/Volume_2/
               volume2.html#N3">Latin squares of order ten</a>, Electron. J. Combinatorics, 
               2 (1995) #N3.
%H A001009 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               LatinRectangle.html">Link to a section of The World of Mathematics.</
               a>
%H A001009 <a href="Sindx_La.html#Latin">Index entries for sequences related to 
               Latin squares and rectangles</a>
%Y A001009 Rows include A001623, A000573. Diagonals include A000576.
%Y A001009 Sequence in context: A057279 A054733 A120649 this_sequence A120650 A103121 
               A081573
%Y A001009 Adjacent sequences: A001006 A001007 A001008 this_sequence A001010 A001011 
               A001012
%K A001009 nonn,tabl,nice
%O A001009 1,8
%A A001009 B. D. McKay (bdm(AT)cs.anu.edu.au)