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Triangle read by rows: A000012 * A143424.
1

%I #8 Jun 05 2023 07:07:29

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

%U 64,128,256,512,-2,-4,-4,0,0,32,64,128,256,512,1024,-2,-2,-4,-8,0,0,64,128,256,512,1024,2048

%N Triangle read by rows: A000012 * A143424.

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

%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. A085945, A143424.

%K tabl,sign

%O 1,3

%A _Gary W. Adamson_, Aug 15 2008

%E a(37) = -2 corrected and more terms from _Georg Fischer_, Jun 05 2023