A121547 as tables, graphs or sounds - OEIS

A121547 formatted as a triangular array:

0

0 1

0 4 4

0 10 20 10

0 20 60 60 20

0 35 140 210 140 35

0 56 280 560 560 280 56

0 84 504 1260 1680 1260 504 84

0 120 840 2520 4200 4200 2520 840 120

0 165 1320 4620 9240 11550 9240 4620 1320 165

A121547 formatted as a square array:

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`
`4`	`20`	`60`	`140`	`280`	`504`	`840`	`1320`
`10`	`60`	`210`	`560`	`1260`	`2520`	`4620`
`20`	`140`	`560`	`1680`	`4200`	`9240`
`35`	`280`	`1260`	`4200`	`11550`
`56`	`504`	`2520`	`9240`
`84`	`840`	`4620`
`120`	`1320`
`165`

A121547 formatted as an upper right triangle:

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`4`	`10`	`20`	`35`	`56`	`84`	`120`	`165`
		`4`	`20`	`60`	`140`	`280`	`504`	`840`	`1320`
			`10`	`60`	`210`	`560`	`1260`	`2520`	`4620`
				`20`	`140`	`560`	`1680`	`4200`	`9240`
					`35`	`280`	`1260`	`4200`	`11550`
						`56`	`504`	`2520`	`9240`
							`84`	`840`	`4620`
								`120`	`1320`
									`165`

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 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.