A320080 - OEIS

login

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

A320080 as a triangular array

1

1 0

1 1 0

1 2 1 0

1 3 6 2 0

1 4 15 28 4 0

1 5 28 114 172 14 0

1 6 45 296 1152 1328 38 0

1 7 66 610 4168 14562 12272 216 0

1 8 91 1092 11020 73376 220842 132480 600 0

1 9 120 1778 24084 248870 1550048 3907656 1633344 6240 0

A320080 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
`0`	`1`	`6`	`15`	`28`	`45`	`66`	`91`	`120`
`0`	`2`	`28`	`114`	`296`	`610`	`1092`	`1778`
`0`	`4`	`172`	`1152`	`4168`	`11020`	`24084`
`0`	`14`	`1328`	`14562`	`73376`	`248870`
`0`	`38`	`12272`	`220842`	`1550048`
`0`	`216`	`132480`	`3907656`
`0`	`600`	`1633344`
`0`	`6240`
`0`

A320080 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
		`0`	`1`	`6`	`15`	`28`	`45`	`66`	`91`	`120`
			`0`	`2`	`28`	`114`	`296`	`610`	`1092`	`1778`
				`0`	`4`	`172`	`1152`	`4168`	`11020`	`24084`
					`0`	`14`	`1328`	`14562`	`73376`	`248870`
						`0`	`38`	`12272`	`220842`	`1550048`
							`0`	`216`	`132480`	`3907656`
								`0`	`600`	`1633344`
									`0`	`6240`
										`0`

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 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)