A111924 as tables, graphs or sounds - OEIS

A111924 formatted as a triangular array:

1

1 1

1 3 0

1 6 3 0

1 10 15 0 0

1 15 45 15 0 0

1 21 105 105 0 0 0

1 28 210 420 105 0 0 0

1 36 378 1260 945 0 0 0 0

1 45 630 3150 4725 945 0 0 0 0

1 55 990 6930 17325 10395 0 0 0 0 0

A111924 formatted as a square array:

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
`0`	`3`	`15`	`45`	`105`	`210`	`378`	`630`	`990`
`0`	`0`	`15`	`105`	`420`	`1260`	`3150`	`6930`
`0`	`0`	`0`	`105`	`945`	`4725`	`17325`
`0`	`0`	`0`	`0`	`945`	`10395`
`0`	`0`	`0`	`0`	`0`
`0`	`0`	`0`	`0`
`0`	`0`	`0`
`0`	`0`
`0`

A111924 formatted as an upper right triangle:

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`	`55`
		`0`	`3`	`15`	`45`	`105`	`210`	`378`	`630`	`990`
			`0`	`0`	`15`	`105`	`420`	`1260`	`3150`	`6930`
				`0`	`0`	`0`	`105`	`945`	`4725`	`17325`
					`0`	`0`	`0`	`0`	`945`	`10395`
						`0`	`0`	`0`	`0`	`0`
							`0`	`0`	`0`	`0`
								`0`	`0`	`0`
									`0`	`0`
										`0`

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 18 21:37 EST 2009. Contains 171024 sequences.

AT&T Labs Research

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