Search: id:A110769
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%I A110769
%S A110769 1,3,3,6,9,6,10,17,18,10,15,27,33,30,15,21,39,51,54,45,21,28,53,72,82,
%T A110769 80,63,28,36,69,96,114,120,111,84,36,45,87,123,150,165,165,147,108,45,
%U A110769 55,107,153,190,215,225,217,188,135,55,66,129,186,234,270,291,294,276
%N A110769 The r-th term of the n-th row of the following triangle contains sum 
               of r successive numbers in decreasing order beginning from T(n)-T(r-1) 
               where T(n) is the n-th triangular number. 1 3 3 6 9 6 10 17 18 10 
               15 27 33 30 15 ... Sequence contains the triangle by rows.
%C A110769 The first term in the n-th row is T(n) and the n-th term also is T(n). 
               - Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), Dec 14 2005
%e A110769 For n = 4 the terms of the 4-th row are 10, 9+8, 7+6+5, 4+3+2+1.
%Y A110769 Cf. A110768.
%Y A110769 Sequence in context: A026804 A104715 A164743 this_sequence A093445 A098358 
               A136289
%Y A110769 Adjacent sequences: A110766 A110767 A110768 this_sequence A110770 A110771 
               A110772
%K A110769 easy,tabl,nonn
%O A110769 1,2
%A A110769 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 12 2005
%E A110769 Corrected and extended by Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), 
               Dec 14 2005

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