%I M0397 N0153 #22 Jan 11 2018 01:09:03
%S -2,3,0,25,152,1350,12644,131391,1489568,18329481,243365514,
%T 3468969962,52848096274,857073295427,14744289690560,268202790690465,
%U 5143861702523924,103746422699053582,2195275169113687656,48629604864202585247
%N From discordant permutations.
%D N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H K. Yamamoto, <a href="https://www.jstage.jst.go.jp/article/kyushumfs/10/1/10_1_1/_pdf">Structure polynomial of Latin rectangles and its application to a combinatorial problem</a>, Memoirs of the Faculty of Science, Kyusyu University, Series A, 10 (1956), 1-13, DOI: 10.2206/kyushumfs.10.1
%H K. Yamamoto, <a href="/A000183/a000183.pdf">Structure polynomial of Latin rectangles and its application to a combinatorial problem</a>, Memoirs of the Faculty of Science, Kyusyu University, Series A, 10 (1956), 1-13. [Annotated scanned copy]
%F a(n) = b(n) - 2*b(n-1) + b(n-2) + 2*a(n-1) + 2*a(n-2) - 2*a(n-3) + a(n-4) + 4*(-1)^n where b(n) = A000183(n) and n>6. a(3)=-2, a(4)=3, a(5)=0, a(6)=25. - _Sean A. Irvine_, May 03 2014
%Y Cf. A000183.
%K sign
%O 3,1
%A _N. J. A. Sloane_
%E More terms from _Sean A. Irvine_, May 03 2014