Search: id:A152229
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%I A152229
%S A152229 1,1,1,3,1,2,9,3,2,6,29,9,6,6,20,97,29,18,18,20,70,333,97,58,54,60,70,
%T A152229 252,1165,333,194,174,180,210,252,924,4135,1165,666,582,580,630,756,924,
%U A152229 3432,14845,4135,2330,1998,1940,2030,2268,2772,3432,12870
%N A152229 Eigentriangle, row sums = A000984
%C A152229 Row sums = A000984: (1, 2, 6, 20, 70, 252,...), left border = A081696.
%C A152229 Sum of n-th row terms = rightmost term of next row.
%F A152229 Triangle read by rows, M*Q. M = an infinite lower triangular matrix with 
               A081696:
%F A152229 (1, 1, 3, 9, 29, 97, 333, 1165,...) in every column; and Q = a matrix 
               with
%F A152229 A000984 as the main diagonal (prefaced with a 1): (1, 1, 2, 6, 20, 70, 
               252,...) and the rest zeros.
%e A152229 First few rows of the triangle =
%e A152229 1;
%e A152229 1, 1;
%e A152229 3, 1, 2;
%e A152229 9, 3, 2, 6;
%e A152229 29, 9, 6, 6, 20;
%e A152229 97, 29, 18, 18, 20, 70;
%e A152229 333, 97, 58, 54, 60, 70, 252;
%e A152229 1165, 333, 194, 174, 180, 210, 252, 924;
%e A152229 4135, 1165, 666, 582, 580, 630, 756, 924, 3432;
%e A152229 14845, 4135, 2330, 1998, 1940, 2030, 2268, 2772, 3432, 12870;
%e A152229 ...
%e A152229 Row 3 = (9, 3, 2, 6) = termwise products of (9, 3, 1, 1) and (1, 1, 2, 
               6).
%Y A152229 A000984, A081696
%Y A152229 Sequence in context: A086961 A085194 A152252 this_sequence A074308 A058142 
               A058144
%Y A152229 Adjacent sequences: A152226 A152227 A152228 this_sequence A152230 A152231 
               A152232
%K A152229 nonn,tabl
%O A152229 0,4
%A A152229 Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 29 2008

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