Search: id:A130584
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%I A130584
%S A130584 1,2,1,4,2,2,8,4,6,2,16,8,12,8,4,32,16,22,20,20,2,64,32,42,40,60,12,6,
%T A130584 128,64,84,72,140,42,42,4,256,128,170,128,280,112,168,32,6,512,256,342,
%U A130584 240,508,252,504,144,54,4
%N A130584 A007318 * A054522.
%C A130584 Row sums = A001792, (1, 3, 8, 20, 48, 112,...) binomial transform of 
               the natural numbers. Right border = phi(n), A000010: (1, 1, 2, 2, 
               4, 2, 6, 4,...).
%F A130584 Binomial transform of A054522 as infinite lower triangular matrices.
%e A130584 First few rows of the triangle are:
%e A130584 1;
%e A130584 2, 1;
%e A130584 4, 2, 2;
%e A130584 8, 4, 6, 2;
%e A130584 16, 8, 12, 8, 4;
%e A130584 32, 16, 22, 20, 20, 2;
%e A130584 64, 32, 42, 40, 60, 12, 6;
%e A130584 ...
%Y A130584 Cf. A007318, A054522, A001792, A130585, A000010.
%Y A130584 Sequence in context: A094571 A104733 A153281 this_sequence A078458 A033317 
               A007733
%Y A130584 Adjacent sequences: A130581 A130582 A130583 this_sequence A130585 A130586 
               A130587
%K A130584 nonn,tabl
%O A130584 0,2
%A A130584 Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 06 2007

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