%I A111643
%S A111643 2,8,34,136,530,2032,7714,29104,109378,410040,1534722,5738360,21441682,
               80083808,
%T A111643 299027394,1116348896,4167148290,15554127592,58053908834,216672484584,
               808662529938,
%U A111643 3018041612880,11263658377442,42036964786320,156885101002562
%V A111643 -2,8,-34,136,-530,2032,-7714,29104,-109378,410040,-1534722,5738360,-21441682,
               80083808,
%W A111643 -299027394,1116348896,-4167148290,15554127592,-58053908834,216672484584,
               -808662529938,
%X A111643 3018041612880,-11263658377442,42036964786320,-156885101002562
%N A111643 Expansion of 2*(x+1)^2/((x^2+4*x+1)*(x^2-2*x-1)).
%C A111643 In reference to the program code, the sequence of Pell numbers A000126 
               is given by 1kbaseseq[C*J]. A001353 is 1ibaseiseq[C*J].
%o A111643 Floretion Algebra Multiplication Program, FAMP Code: 1baseiseq[C*J] with 
               C = - 'j + 'k - j' + k' - 'ii' - 'ij' - 'ik' - 'ji' - 'ki' and J 
               = + j' + k' + 1.5'ii' + .5'jj' + .5'kk' + .5e
%Y A111643 Cf. A111639, A111640, A111641, A111642, A111644, A000126.
%Y A111643 Sequence in context: A030821 A005040 A026577 this_sequence A000163 A117616 
               A014445
%Y A111643 Adjacent sequences: A111640 A111641 A111642 this_sequence A111644 A111645 
               A111646
%K A111643 easy,sign
%O A111643 0,1
%A A111643 Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Aug 10 2005