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A047040 Array T read by diagonals: T(h,k)=number of paths consisting of steps from (0,0) to (h,k) such that each step has length 1 directed up or right and no step touches the line y=3x/4 unless x=0 or x=h. 10

%I #5 Mar 30 2012 18:56:51

%S 1,1,1,1,1,1,1,2,1,1,1,3,2,2,1,1,4,5,2,3,1,1,5,9,5,5,4,1,1,6,14,14,10,

%T 9,5,1,1,7,20,28,14,9,14,6,1,1,8,27,48,42,14,23,20,7,1,1,9,35,75,90,

%U 56,23,43,27,8,1,1,10,44,110,165,146,56,66,70,35

%N Array T read by diagonals: T(h,k)=number of paths consisting of steps from (0,0) to (h,k) such that each step has length 1 directed up or right and no step touches the line y=3x/4 unless x=0 or x=h.

%e Diagonal (beginning on row 0): {1}; {1,1}; {1,1,1}; {1,2,1,1}; ...

%Y Mirror image of A047050.

%K nonn,tabl

%O 0,8

%A _Clark Kimberling_

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Last modified April 25 08:20 EDT 2024. Contains 371964 sequences. (Running on oeis4.)