A284991 - OEIS

login

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

A284991 as a triangular array

1

0 0

0 0 0

0 0 0 0

0 0 0 0 1

1 0 10 20 45 44

265 1920 6300 13720 20175 18000 7570

357435 2398900 7499940 14372820 18433415 15729000 8171730 1975560

749649145 4695264000 13718863480 24545693760 29544855480 24545693760 13718863480 4695264000 749649145

A284991 as a square array

`1`	`0`	`0`	`0`	`0`	`1`	`265`	`357435`	`749649145`
`0`	`0`	`0`	`0`	`0`	`1920`	`2398900`	`4695264000`
`0`	`0`	`0`	`10`	`6300`	`7499940`	`13718863480`
`0`	`0`	`20`	`13720`	`14372820`	`24545693760`
`1`	`45`	`20175`	`18433415`	`29544855480`
`44`	`18000`	`15729000`	`24545693760`
`7570`	`8171730`	`13718863480`
`1975560`	`4695264000`
`749649145`

A284991 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`1`	`265`	`357435`	`749649145`
	`0`	`0`	`0`	`0`	`0`	`1920`	`2398900`	`4695264000`
		`0`	`0`	`0`	`10`	`6300`	`7499940`	`13718863480`
			`0`	`0`	`20`	`13720`	`14372820`	`24545693760`
				`1`	`45`	`20175`	`18433415`	`29544855480`
					`44`	`18000`	`15729000`	`24545693760`
						`7570`	`8171730`	`13718863480`
							`1975560`	`4695264000`
								`749649145`

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 May 5 02:46 EDT 2024. Contains 372257 sequences. (Running on oeis4.)