%I A135926
%S A135926 3,14,57,235,969,4014,16695,69678,291609,1223060,5138488,21617717,91044538,
%T A135926 383775880,1618868769,6832842691,28853864329,121894728098,515129513163,
%U A135926 2177588642423,9207559005080,38940990014941,164721537694077,696889444599910
%N A135926 G.f.: C_{2,o}(y) - see p. 158 of Fan reference.
%D A135926 C. K. Fan, Structure of a Hecke algebra quotient, J. Amer. Math. Soc., 
               10 (1997), 139-167. [See D(y) on p. 158.]
%p A135926 S:=sqrt(1 - 4*y);
%p A135926 Dy:=(y^2 + y - 1)*(1 + 2*y + S)*(1 - 5*y + 2*y^2 + (3*y - 1)*S)^2*( - 
               1 + 3*y + 2*y^2 + (1 - y)*S);
%p A135926 C:=(-8/Dy)*(6 - 77*y + 352*y^2 - 650*y^3 + 293*y^4 + 338*y^5 - 249*y^6 
               - 3*y^7 + 2*y^8 + ( - 6 + 65*y - 234*y^2 + 288*y^3 + 15*y^4 - 186*y^5 
               + 41*y^6 + 5*y^7)*S);
%Y A135926 Cf. A135925.
%Y A135926 Sequence in context: A052412 A037793 A037093 this_sequence A015523 A127363 
               A133444
%Y A135926 Adjacent sequences: A135923 A135924 A135925 this_sequence A135927 A135928 
               A135929
%K A135926 nonn
%O A135926 0,1
%A A135926 N. J. A. Sloane (njas(AT)research.att.com), Mar 09 2008