Logo

A088617 formatted as a triangular array:

1
1 1
1 3 2
1 6 10 5
1 10 30 35 14
1 15 70 140 126 42
1 21 140 420 630 462 132
1 28 252 1050 2310 2772 1716 429
1 36 420 2310 6930 12012 12012 6435 1430
1 45 660 4620 18018 42042 60060 51480 24310 4862

A088617 formatted as a square array:

1 1 1 1 1 1 1 1 1 1
1 3 6 10 15 21 28 36 45
2 10 30 70 140 252 420 660
5 35 140 420 1050 2310 4620
14 126 630 2310 6930 18018
42 462 2772 12012 42042
132 1716 12012 60060
429 6435 51480
1430 24310
4862

A088617 formatted as an upper right triangle:

1 1 1 1 1 1 1 1 1 1
1 3 6 10 15 21 28 36 45
2 10 30 70 140 252 420 660
5 35 140 420 1050 2310 4620
14 126 630 2310 6930 18018
42 462 2772 12012 42042
132 1716 12012 60060
429 6435 51480
1430 24310
4862

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