Search: id:A094415
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%I A094415
%S A094415 1,4,5,10,13,13,20,26,28,26,35,45,50,50,45,56,71,80,83,80,71,84,105,119,
%T A094415 126,126,119,105,120,148,168,180,184,180,168,148,165,201,228,246,255,
%U A094415 255,246,228,201,220,265,300,325,340,345,340,325,300,265,286,341
%N A094415 Triangle T read by rows: dot product <r,r-1,...,1> * <s+1,s+2,...,r,1,
               2,...,s>.
%F A094415 T(r, s) = r[r^2 + 3r(1+s) + 2 - 3s^2], r>0, 0<=s<=r.
%e A094415 1
%e A094415 4 5
%e A094415 10 13 13
%e A094415 20 26 28 26
%e A094415 35 45 50 50 45
%e A094415 56 71 80 83 80 71
%Y A094415 Columns 0-6 are A000292, A008778, A026054, A026057, A026060, A026063, 
               A026066. Half-diagonal is A050410, row sums are A000537. See also 
               A094414, A088003.
%Y A094415 Sequence in context: A151735 A050039 A058335 this_sequence A114517 A116930 
               A073119
%Y A094415 Adjacent sequences: A094412 A094413 A094414 this_sequence A094416 A094417 
               A094418
%K A094415 nonn,tabl
%O A094415 0,2
%A A094415 Ralf Stephan, May 02 2004

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