Search: id:A092548
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%I A092548
%S A092548 1,1,9,9,95,149,885,1605,6503,12606,39246,76038,197714,374388,855636,1568124,
%T A092548 3255072,5763394,11104514,19011234,34512454,57257488,98996384,159553376,
%U A092548 264837633,415717413,666507493,1021374333,1589253369,2382741813,3611920261
%N A092548 Molien series for complete weight enumerators of self-dual codes over 
               GF(4) + GF(4)u with u^2 = 0.
%H A092548 G. Nebe, E. M. Rains and N. J. A. Sloane, <a href="http://www.research.att.com/
               ~njas/doc/cliff2.html">Self-Dual Codes and Invariant Theory</a>, 
               Springer, Berlin, 2006.
%H A092548 <a href="Sindx_Mo.html#Molien">Index entries for Molien series</a>
%F A092548 G.f.: u1/u2 where u2 := (1-x^2)^5*(1-x^3)*(1-x^4)^6*(1-x^6)^4;
%F A092548 u1 := 1 + x + 4*x^2 + 3*x^3 + 53*x^4 + 104*x^5 + 458*x^6 + 858*x^7 + 
               2474*x^8 + 4839*x^9 + 10667*x^10 + 19018*x^11 + 34193*x^12 + 55481*x^13 
               + 86078*x^14 + 125990*x^15 + 173466*x^16 + 230402*x^17 + 287430*x^18 
               + 346462*x^19
%F A092548 + 393648*x^20 + 431930*x^21 + 450648*x^22 + 450648*x^23 + 431930*x^24 
               + 393648*x^25 + 346462*x^26 + 287430*x^27 + 230402*x^28 + 173466*x^29 
               + 125990*x^30 + 86078*x^31 + 55481*x^32 + 34193*x^33 + 19018*x^34 
               + 10667*x^35 + 4839*x^36 + 2474*x^37 + 858*x^38 + 458*x^39 + 104*x^40 
               + 53*x^41 + 3*x^42 + 4*x^43 + x^44 + x^45.
%Y A092548 Cf. A092549.
%Y A092548 Sequence in context: A038299 A165427 A050683 this_sequence A121389 A065242 
               A050720
%Y A092548 Adjacent sequences: A092545 A092546 A092547 this_sequence A092549 A092550 
               A092551
%K A092548 nonn
%O A092548 0,3
%A A092548 N. J. A. Sloane (njas(AT)research.att.com), Apr 09 2004

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