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A117200 Inverse of number triangle (1,x)+(x,x^2)+(x^2,x^3). 2

%I

%S 1,-1,1,-1,0,1,1,-1,0,1,0,0,0,0,1,2,-1,-1,0,0,1,0,0,0,0,0,0,1,-1,1,0,

%T -1,0,0,0,1,1,0,-1,0,0,0,0,0,1,0,0,0,0,-1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,

%U 0,1,-3,2,1,-1,0,-1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,-1,0,0,0,0,0,0,1,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,1,1

%N Inverse of number triangle (1,x)+(x,x^2)+(x^2,x^3).

%C Inverse of A117198. Row sums are A117201.

%e Triangle begins

%e 1,

%e -1, 1,

%e -1, 0, 1,

%e 1, -1, 0, 1,

%e 0, 0, 0, 0, 1,

%e 2, -1, -1, 0, 0, 1,

%e 0, 0, 0, 0, 0, 0, 1,

%e -1, 1, 0, -1, 0, 0, 0, 1,

%e 1, 0, -1, 0, 0, 0, 0, 0, 1

%K sign,tabl

%O 0,16

%A _Paul Barry_, Mar 02 2006

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Last modified October 19 03:10 EDT 2021. Contains 348073 sequences. (Running on oeis4.)