A143497 - OEIS

login

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

A143497 as a triangular array

1

4 1

20 10 1

120 90 18 1

840 840 252 28 1

6720 8400 3360 560 40 1

60480 90720 45360 10080 1080 54 1

604800 1058400 635040 176400 25200 1890 70 1

6652800 13305600 9313920 3104640 554400 55440 3080 88 1

A143497 as a square array

`1`	`4`	`20`	`120`	`840`	`6720`	`60480`	`604800`	`6652800`
`1`	`10`	`90`	`840`	`8400`	`90720`	`1058400`	`13305600`
`1`	`18`	`252`	`3360`	`45360`	`635040`	`9313920`
`1`	`28`	`560`	`10080`	`176400`	`3104640`
`1`	`40`	`1080`	`25200`	`554400`
`1`	`54`	`1890`	`55440`
`1`	`70`	`3080`
`1`	`88`
`1`

A143497 as an upper right triangle

`1`	`4`	`20`	`120`	`840`	`6720`	`60480`	`604800`	`6652800`
	`1`	`10`	`90`	`840`	`8400`	`90720`	`1058400`	`13305600`
		`1`	`18`	`252`	`3360`	`45360`	`635040`	`9313920`
			`1`	`28`	`560`	`10080`	`176400`	`3104640`
				`1`	`40`	`1080`	`25200`	`554400`
					`1`	`54`	`1890`	`55440`
						`1`	`70`	`3080`
							`1`	`88`
								`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 April 24 13:24 EDT 2024. Contains 371955 sequences. (Running on oeis4.)