Logo

A046854 formatted as a triangular array:

1
1 1
1 1 1
1 2 1 1
1 2 3 1 1
1 3 3 4 1 1
1 3 6 4 5 1 1
1 4 6 10 5 6 1 1
1 4 10 10 15 6 7 1 1
1 5 10 20 15 21 7 8 1 1
1 5 15 20 35 21 28 8 9 1 1
1 6 15 35 35 56 28 36 9 10 1 1

A046854 formatted as a square array:

1 1 1 1 1 1 1 1 1 1 1 1
1 1 2 2 3 3 4 4 5 5 6
1 1 3 3 6 6 10 10 15 15
1 1 4 4 10 10 20 20 35
1 1 5 5 15 15 35 35
1 1 6 6 21 21 56
1 1 7 7 28 28
1 1 8 8 36
1 1 9 9
1 1 10
1 1
1

A046854 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1 1 1
1 1 2 2 3 3 4 4 5 5 6
1 1 3 3 6 6 10 10 15 15
1 1 4 4 10 10 20 20 35
1 1 5 5 15 15 35 35
1 1 6 6 21 21 56
1 1 7 7 28 28
1 1 8 8 36
1 1 9 9
1 1 10
1 1
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 10 12:37 EST 2009. Contains 170569 sequences.


AT&T Labs Research