Search: id:A129558
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%I A129558
%S A129558 1,1,1,1,0,1,2,1,0,1,3,0,0,0,1,1,1,1,0,0,1,5,0,0,0,0,0,1,4,2,0,1,0,0,0,
%T A129558 1,4,0,1,0,0,0,0,0,1,3,3,0,0,1,0,0,0,0,1
%N A129558 A054523 * A129360.
%C A129558 Row sums = A062570, phi(2*n): (1, 2, 2, 4, 4, 4, 6, 8,...)
%F A129558 A054523 * A129360 as infinite lower triangular matrices.
%e A129558 First few rows of the triangle are:
%e A129558 1;
%e A129558 1, 1;
%e A129558 1, 0, 1;
%e A129558 2, 1, 0, 1;
%e A129558 3, 0, 0, 0, 1;
%e A129558 1, 1, 1, 0, 0, 1;
%e A129558 5, 0, 0, 0, 0, 0, 1;
%e A129558 4, 2, 0, 1, 0, 0, 0, 1;
%e A129558 4, 0, 1, 0, 0, 0, 0, 0, 1;
%e A129558 ...
%Y A129558 Cf. A054523, A129360, A062570.
%Y A129558 Sequence in context: A074766 A138107 A089631 this_sequence A131185 A052249 
               A030528
%Y A129558 Adjacent sequences: A129555 A129556 A129557 this_sequence A129559 A129560 
               A129561
%K A129558 nonn,tabl
%O A129558 1,7
%A A129558 Gary W. Adamson (qntmpkt(AT)yahoo.com), Apr 20 2007

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