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!)
A298824 Triangle read by rows. The transpose of the upper triangular part of the square matrix A298674. 3

%I

%S 1,2,-2,-1,2,-1,3,-1,3,-1,2,2,-3,2,-3,-2,-4,-2,2,4,2,2,2,2,2,-5,2,-5,

%T 4,0,4,0,4,0,4,0,-3,3,-3,-3,3,-3,-3,3,-3,4,-4,-6,-4,-6,-4,4,6,4,6,2,2,

%U 2,2,2,2,2,2,-9,2,-9,-3,-2,-3,1,6,1,-3,-2,-3,1,6,1,2,2,2,2,2,2,2,2,2,2,-11,2,-11

%N Triangle read by rows. The transpose of the upper triangular part of the square matrix A298674.

%F T(n,k) = A298674(k,n), n <= k.

%e Triangle begins:

%e ==========================================================

%e n\k| 1 2 3 4 5 6 7 8 9 10 11 12 13

%e ---+------------------------------------------------------

%e 1 | 1

%e 2 | 2 -2

%e 3 | -1 2 -1

%e 4 | 3 -1 3 -1

%e 5 | 2 2 -3 2 -3

%e 6 | -2 -4 -2 2 4 2

%e 7 | 2 2 2 2 -5 2 -5

%e 8 | 4 0 4 0 4 0 4 0

%e 9 | -3 3 -3 -3 3 -3 -3 3 -3

%e 10 | 4 -4 -6 -4 -6 -4 4 6 4 6

%e 11 | 2 2 2 2 2 2 2 2 -9 2 -9

%e 12 | -3 -2 -3 1 6 1 -3 -2 -3 1 6 1

%e 13 | 2 2 2 2 2 2 2 2 2 2 -11 2 -11

%t Transpose[UpperTriangularize[A298674]]

%Y Row sums are A298825.

%Y Cf. A298674.

%K sign,tabl

%O 1,2

%A _Mats Granvik_, Jan 27 2018

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 September 18 23:45 EDT 2021. Contains 347549 sequences. (Running on oeis4.)