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A140581 Triangle read by rows, A054525 * A140256. 3

%I #4 Apr 05 2012 17:24:06

%S 1,1,1,2,0,1,0,1,0,1,4,0,0,0,1,-3,2,1,0,0,1,6,0,0,0,0,0,1,0,0,0,1,0,0,

%T 0,1,0,0,2,0,0,0,0,0,1,-5,4,0,0,1,0,0,0,0,1,10,0,0,0,0,0,0,0,0,0,1,0,

%U -3,0,20,1,0,0,0,0,0,1,12,0,0,0,0,0,0,0,0,0,0,0,1,-7,6,0,0,0,0,1,0,0,0,0,0,0,1

%N Triangle read by rows, A054525 * A140256.

%C Row sums = A014963: (1, 2, 3, 2, 5, 1, 7, 2, 3, 1, 11, 1, 13, 1,...).

%F Mobius transform of triangle A140256 = A054525 * A140256; as infinite lower triangular matrices.

%e First few rows of the triangle are:

%e 1;

%e 1, 1;

%e 2, 0, 1;

%e 0, 1, 0, 1;

%e 4, 0, 0, 0, 1;

%e -3, 2, 1, 0, 0, 1;

%e 6, 0, 0, 0, 0, 0, 1;

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

%e 0, 0, 2, 0, 0, 0, 0, 0, 1;

%e ...

%Y Cf. A140256, A054525.

%K tabl,sign

%O 1,4

%A _Gary W. Adamson_ and _Mats Granvik_, May 17 2008

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Last modified April 25 06:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)