Logo

A046899 formatted as a triangular array:

1
1 2
1 3 6
1 4 10 20
1 5 15 35 70
1 6 21 56 126 252
1 7 28 84 210 462 924
1 8 36 120 330 792 1716 3432
1 9 45 165 495 1287 3003 6435 12870
1 10 55 220 715 2002 5005 11440 24310 48620

A046899 formatted as a square array:

1 1 1 1 1 1 1 1 1 1
2 3 4 5 6 7 8 9 10
6 10 15 21 28 36 45 55
20 35 56 84 120 165 220
70 126 210 330 495 715
252 462 792 1287 2002
924 1716 3003 5005
3432 6435 11440
12870 24310
48620

A046899 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1
2 3 4 5 6 7 8 9 10
6 10 15 21 28 36 45 55
20 35 56 84 120 165 220
70 126 210 330 495 715
252 462 792 1287 2002
924 1716 3003 5005
3432 6435 11440
12870 24310
48620

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 5 23:38 EST 2009. Contains 170428 sequences.


AT&T Labs Research