Search: id:A028289
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%I A028289
%S A028289 1,1,2,4,5,7,11,13,17,23,27,33,42,48,57,69,78,90,106,118,
%T A028289 134,154,170,190,215,235,260,290,315,345,381,411,447,489,
%U A028289 525,567,616,658,707,763,812,868,932,988,1052,1124,1188
%N A028289 Expansion of (1+x^2+x^3+x^5)/((1-x)(1-x^3)(1-x^4)(1-x^6)).
%D A028289 W. C. Huffman, The biweight enumerator of self-orthogonal binary codes, 
               Discrete Math., 26 (1979), 129-143.
%D A028289 B. N. Cyvin et al., Enumeration of conjugated hydrocarbons..., Structural 
               Chem., 6 (1995), 85-88, equations (6) and (22).
%Y A028289 Sequence in context: A147991 A033160 A110924 this_sequence A039673 A097581 
               A090614
%Y A028289 Adjacent sequences: A028286 A028287 A028288 this_sequence A028290 A028291 
               A028292
%K A028289 nonn
%O A028289 0,3
%A A028289 N. J. A. Sloane (njas(AT)research.att.com).

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