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Search: id:A047868
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OFFSET
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1,2
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COMMENT
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More generally the main diagonal of the array defined by T(0,j)=j+1 j>=0, T(i,0)=i+1 i>=0, T(i,j)=T(i-1,j-1)+T(i-1,j)+ A, is given by T(n,n)=2^(n-1)*(n+2A+2)-A - Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 17 2003
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FORMULA
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Main diagonal of the array defined by T(0, j)=j+1 j>=0, T(i, 0)=i+1 i>=0, T(i, j)=T(i-1, j-1)+T(i-1, j)+ 6; a(n)=2^(n-1)*(n+14)-6 - Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 17 2003
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CROSSREFS
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Sequence in context: A020343 A025941 A125479 this_sequence A002539 A019958 A021644
Adjacent sequences: A047865 A047866 A047867 this_sequence A047869 A047870 A047871
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KEYWORD
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dead
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