Logo

A139144 formatted as a triangular array:

1
0 0
1 -1 0
1 -3 2 0
1 -4 6 -3 0
1 -5 10 -10 4 0
-1 6 -15 20 -15 5 0
1 -9 33 -65 75 -49 14 0
-1 12 -58 152 -240 234 -132 33 0
1 -15 92 -310 642 -854 724 -360 80 0

A139144 formatted as a square array:

1 0 1 1 1 1 -1 1 -1 1
0 -1 -3 -4 -5 6 -9 12 -15
0 2 6 10 -15 33 -58 92
0 -3 -10 20 -65 152 -310
0 4 -15 75 -240 642
0 5 -49 234 -854
0 14 -132 724
0 33 -360
0 80
0

A139144 formatted as an upper right triangle:

1 0 1 1 1 1 -1 1 -1 1
0 -1 -3 -4 -5 6 -9 12 -15
0 2 6 10 -15 33 -58 92
0 -3 -10 20 -65 152 -310
0 4 -15 75 -240 642
0 5 -49 234 -854
0 14 -132 724
0 33 -360
0 80
0

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 20 16:54 EST 2009. Contains 171081 sequences.


AT&T Labs Research