A068218 as tables, graphs or sounds - OEIS

A068218 formatted as a triangular array:

1

2 2

2 16 2

4 84 84 4

10 400 1056 400 10

28 1820 9184 9184 1820 28

84 8064 66276 126720 66276 8064 84

264 35112 426888 1329768 1329768 426888 35112 264

A068218 formatted as a square array:

`1`	`2`	`2`	`4`	`10`	`28`	`84`	`264`
`2`	`16`	`84`	`400`	`1820`	`8064`	`35112`
`2`	`84`	`1056`	`9184`	`66276`	`426888`
`4`	`400`	`9184`	`126720`	`1329768`
`10`	`1820`	`66276`	`1329768`
`28`	`8064`	`426888`
`84`	`35112`
`264`

A068218 formatted as an upper right triangle:

`1`	`2`	`2`	`4`	`10`	`28`	`84`	`264`
	`2`	`16`	`84`	`400`	`1820`	`8064`	`35112`
		`2`	`84`	`1056`	`9184`	`66276`	`426888`
			`4`	`400`	`9184`	`126720`	`1329768`
				`10`	`1820`	`66276`	`1329768`
					`28`	`8064`	`426888`
						`84`	`35112`
							`264`

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 6 22:55 EST 2009. Contains 170429 sequences.

AT&T Labs Research

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