Search: id:A089670
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%I A089670
%S A089670 0,8,283,6044,101360,1470640,19361174,237684384,2768042208,30935313600,
%T A089670 334481353690,3519672963752,36206551801264,365363625058432,3626585989411280,
%U A089670 35485636769545600,342894590805622656,3276865150482420480,31008279252965786178
%N A089670 Let S3 := (n,t)->add( k^t * (add( binomial(n,j), j=0..k))^3, k=0..n); 
               a(n) = S3(n,2).
%D A089670 Jun Wang and Zhizheng Zhang, On extensions of Calkin's binomial identities, 
               Discrete Math., 274 (2004), 331-342.
%Y A089670 Sequence in context: A045479 A079929 A136364 this_sequence A060355 A060859 
               A054607
%Y A089670 Adjacent sequences: A089667 A089668 A089669 this_sequence A089671 A089672 
               A089673
%K A089670 nonn
%O A089670 0,2
%A A089670 N. J. A. Sloane (njas(AT)research.att.com), Jan 04 2004

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