Search: id:A143308
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%I A143308
%S A143308 1,4,2,6,3,3,12,8,4,4,10,5,5,5,5,24,18,12,6,6,6,14,7,7,7,7,7,7,32,24,16,
%T A143308 16,8,8,8,8,27,18,18,9,9,9,9,9,9,40,30,20,20,20,10,10,10,10,10,12,11,11,
%U A143308 11,11,11,11,11,11,11,11,72,60,48,36,24,24,12,12,12,12,12,12
%N A143308 Triangle read by rows, A127446 * A000012, 1<=k<=n.
%C A143308 Row sums = A064987, n*sigma(n): (1, 6, 12, 28, 30, 72,...).
%C A143308 Left column = A038040, n*d(n): (1, 4, 6, 12, 10, 24,...).
%F A143308 Triangle read by rows, A127446 * A000012, 1<=k<=n. Given triangle A127446, 
               partial sums of terms starting from the right.
%e A143308 First few rows of the triangle =
%e A143308 1;
%e A143308 4, 2;
%e A143308 6, 3, 3;
%e A143308 12, 8, 4, 4;
%e A143308 10, 5, 5, 5, 5;
%e A143308 24, 18, 12, 6, 6, 6;
%e A143308 14, 7, 7, 7, 7, 7, 7;
%e A143308 Row 4 = (12, 8, 4, 4) since row 4 of triangle A127446 = (4, 4, 0, 4).
%Y A143308 Cf. A127446, A064987, A038040.
%Y A143308 Sequence in context: A019719 A016694 A035505 this_sequence A163238 A097362 
               A129131
%Y A143308 Adjacent sequences: A143305 A143306 A143307 this_sequence A143309 A143310 
               A143311
%K A143308 nonn,tabl
%O A143308 1,2
%A A143308 Gary W. Adamson (qntmpkt(AT)yahoo.com), Aug 06 2008

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