Logo

A156826 formatted as a triangular array:

1
2 -1
3 1 -1
4 -1 0 -1
5 2 1 0 -1
6 -2 -1 0 0 -1
7 3 -1 1 0 0 -1
8 -3 2 -1 0 0 0 -1
9 4 -2 -1 1 0 0 0 -1
10 -4 -2 -1 -1 0 0 0 0 -1
11 5 3 2 -1 1 0 0 0 0 -1
12 -5 -3 -2 -1 -1 0 0 0 0 0 -1

A156826 formatted as a square array:

1 2 3 4 5 6 7 8 9 10 11 12
-1 1 -1 2 -2 3 -3 4 -4 5 -5
-1 0 1 -1 -1 2 -2 -2 3 -3
-1 0 0 1 -1 -1 -1 2 -2
-1 0 0 0 1 -1 -1 -1
-1 0 0 0 0 1 -1
-1 0 0 0 0 0
-1 0 0 0 0
-1 0 0 0
-1 0 0
-1 0
-1

A156826 formatted as an upper right triangle:

1 2 3 4 5 6 7 8 9 10 11 12
-1 1 -1 2 -2 3 -3 4 -4 5 -5
-1 0 1 -1 -1 2 -2 -2 3 -3
-1 0 0 1 -1 -1 -1 2 -2
-1 0 0 0 1 -1 -1 -1
-1 0 0 0 0 1 -1
-1 0 0 0 0 0
-1 0 0 0 0
-1 0 0 0
-1 0 0
-1 0
-1

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


AT&T Labs Research