login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A127953 Triangle, A097805 * A126615. 0

%I

%S 1,-2,2,-2,-1,3,-2,-4,2,4,-2,-7,-3,7,5,-2,-10,-12,4,14,6,-2,-13,-25,

%T -10,20,23,7,-2,-16,-42,-40,10,48,34,8,-2,-19,-63,-91,-35,63,91,47,9,

%U -2,-22,-88,-168,-140,28,168,152,62,10

%N Triangle, A097805 * A126615.

%C Row sums = (1, 0, 0, 0,...)

%F A097805 * A126615 as infinite lower triangular matrices.

%e First few rows of the triangle are:

%e 1;

%e -2, 2;

%e -2, -1, 3;

%e -2, -4, 2, 4;

%e -2, -7, -3, 7, 5;

%e -2, -10, -12, 4, 14, 6;

%e -2, -13, -25, -10, 20, 23, 7;

%e ...

%Y Cf. A097805, A126615.

%K tabl,sign

%O 1,2

%A _Gary W. Adamson_, Feb 09 2007

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 12 21:10 EDT 2020. Contains 336440 sequences. (Running on oeis4.)