Logo

A110555 formatted as a triangular array:

1
1 0
1 -1 0
1 -2 1 0
1 -3 3 -1 0
1 -4 6 -4 1 0
1 -5 10 -10 5 -1 0
1 -6 15 -20 15 -6 1 0
1 -7 21 -35 35 -21 7 -1 0
1 -8 28 -56 70 -56 28 -8 1 0
1 -9 36 -84 126 -126 84 -36 9 -1 0

A110555 formatted as a square array:

1 1 1 1 1 1 1 1 1 1 1
0 -1 -2 -3 -4 -5 -6 -7 -8 -9
0 1 3 6 10 15 21 28 36
0 -1 -4 -10 -20 -35 -56 -84
0 1 5 15 35 70 126
0 -1 -6 -21 -56 -126
0 1 7 28 84
0 -1 -8 -36
0 1 9
0 -1
0

A110555 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1 1
0 -1 -2 -3 -4 -5 -6 -7 -8 -9
0 1 3 6 10 15 21 28 36
0 -1 -4 -10 -20 -35 -56 -84
0 1 5 15 35 70 126
0 -1 -6 -21 -56 -126
0 1 7 28 84
0 -1 -8 -36
0 1 9
0 -1
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 17 23:40 EST 2009. Contains 171025 sequences.


AT&T Labs Research