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A143446 Triangle read by rows, A000012 * A143424, 1<=k<=n. 1

%I

%S 1,0,2,-1,2,4,-1,0,4,8,-2,0,4,8,16,-1,-2,0,8,16,32,-2,-2,0,8,16,32,64,

%T -2,-2,0,0,16,32,64,128,-1,-2,-4,0,16,32,64,128,256,-1,-4,-4,0,0,32,

%U 64,128,256,512

%N Triangle read by rows, A000012 * A143424, 1<=k<=n.

%C Row sums = A085945: (1, 2, 5, 11, 26, 53, 116,...).

%F Triangle read by rows, A000012 * A143424, 1<=k<=n, where the operation A000012 * A143424 takes partial sums by column terms.

%e First few rows of the triangle =

%e 1;

%e 0, 2;

%e -1, 2, 4;

%e -1, 0, 4, 8;

%e -2, 0, 4, 8, 16;

%e -1, -2, 0, 8, 16, 32;

%e -2, -2, 0, 8, 16, 32, 64;

%e ...

%Y Cf. A143424, A085945.

%K tabl,sign

%O 1,3

%A _Gary W. Adamson_, Aug 15 2008

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Last modified May 7 12:56 EDT 2021. Contains 343650 sequences. (Running on oeis4.)