Search: id:A143595
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%I A143595
%S A143595 1,2,2,3,4,2,4,6,4,2,5,8,6,4,2,6,10,8,6,4,2,7,12,10,8,6,4,2,8,14,12,10,
%T A143595 8,6,4,2,9,16,14,12,10,8,6,4,2,10,18,16,14,12,10,8,6,4,2,11,20,18,16,14,
%U A143595 12,10,8,6,4,2
%N A143595 Triangle read by rows, A000012 * (an infinite lower triangular matrix 
               with 1's in the first column and the rest 2's); 1<=k<=n.
%C A143595 Row sums = n^2.
%C A143595 The linear sequence A056944 is more appropriately a triangle, (reversal 
               of A143595).
%F A143595 Triangle read by rows, A000012 * (an infinite lower triangular matrix 
               with 1's in the first column and the rest 2's); i.e. (1; 1,2; 1,2,
               2;...). A000012 = an infinite lower triangular matrix with all 1's. 
               1<=k<=n
%e A143595 First few rows of the triangle =
%e A143595 1;
%e A143595 2, 2;
%e A143595 3, 4, 2;
%e A143595 4, 6, 4, 2;
%e A143595 5, 8, 6, 4, 2;
%e A143595 6, 10, 8, 6, 4, 2;
%e A143595 7, 12, 10, 8, 6, 4, 2;
%e A143595 ...
%Y A143595 Cf. A056944.
%Y A143595 Sequence in context: A159978 A098223 A114892 this_sequence A077769 A144909 
               A117114
%Y A143595 Adjacent sequences: A143592 A143593 A143594 this_sequence A143596 A143597 
               A143598
%K A143595 nonn,tabl
%O A143595 1,2
%A A143595 Gary W. Adamson (qntmpkt(AT)yahoo.com), Aug 26 2008

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