A146767 - OEIS

login

The OEIS is supported by the many generous donors to the OEIS Foundation.

A146767 as a triangular array

1

1 1

1 4 1

1 9 9 1

1 20 30 20 1

1 45 90 90 45 1

1 102 255 340 255 102 1

1 231 693 1155 1155 693 231 1

1 520 1820 3640 4550 3640 1820 520 1

1 1161 4644 10836 16254 16254 10836 4644 1161 1

1 2570 11565 30840 53970

A146767 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`4`	`9`	`20`	`45`	`102`	`231`	`520`	`1161`	`2570`
`1`	`9`	`30`	`90`	`255`	`693`	`1820`	`4644`	`11565`
`1`	`20`	`90`	`340`	`1155`	`3640`	`10836`	`30840`
`1`	`45`	`255`	`1155`	`4550`	`16254`	`53970`
`1`	`102`	`693`	`3640`	`16254`
`1`	`231`	`1820`	`10836`
`1`	`520`	`4644`
`1`	`1161`
`1`

A146767 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`4`	`9`	`20`	`45`	`102`	`231`	`520`	`1161`	`2570`
		`1`	`9`	`30`	`90`	`255`	`693`	`1820`	`4644`	`11565`
			`1`	`20`	`90`	`340`	`1155`	`3640`	`10836`	`30840`
				`1`	`45`	`255`	`1155`	`4550`	`16254`	`53970`
					`1`	`102`	`693`	`3640`	`16254`
						`1`	`231`	`1820`	`10836`
							`1`	`520`	`4644`
								`1`	`1161`
									`1`

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 29 07:38 EDT 2024. Contains 374731 sequences. (Running on oeis4.)