Search: id:A130211
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%I A130211
%S A130211 1,2,1,3,2,2,4,3,2,2,5,4,4,4,4,6,5,4,2,2,2,7,6,6,6,6,6,6,8,7,6,6,4,4,4,
%T A130211 4,9,8,8,6,6,6,6,6,6,10,9,8,8,8,4,4,4,4,4
%N A130211 A054522 * A000012.
%C A130211 Right border = A000010, phi(n): (1, 1, 2, 2, 4, 2, 6,...). Row sums = 
               A057660: (1, 3, 7, 11, 21, 21, 43, 43,...). A130212 = A000012 * A054522.
%F A130211 A054522 * A000012 as infinite lower triangular matrices.
%e A130211 First few rows of the triangle are:
%e A130211 1;
%e A130211 2, 1;
%e A130211 3, 2, 2;
%e A130211 4, 3, 2, 2;
%e A130211 5, 4, 4, 4, 4;
%e A130211 6, 5, 4, 2, 2, 2;
%e A130211 7, 6, 6, 6, 6, 6, 6;
%e A130211 8, 7, 6, 6, 4, 4, 4, 4;
%e A130211 ...
%Y A130211 Cf. A000010, A054522, A130212, A057660.
%Y A130211 Sequence in context: A029281 A126792 A097367 this_sequence A102364 A132923 
               A144329
%Y A130211 Adjacent sequences: A130208 A130209 A130210 this_sequence A130212 A130213 
               A130214
%K A130211 nonn,tabl
%O A130211 1,2
%A A130211 Gary W. Adamson (qntmpkt(AT)yahoo.com), May 17 2007

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