A055137 - OEIS

login

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

A055137 as a triangular array

1

0 1

-1 0 1

-2 -3 0 1

-3 -8 -6 0 1

-4 -15 -20 -10 0 1

-5 -24 -45 -40 -15 0 1

-6 -35 -84 -105 -70 -21 0 1

-7 -48 -140 -224 -210 -112 -28 0 1

-8 -63 -216 -420 -504 -378 -168 -36 0 1

-9 -80 -315 -720

A055137 as a square array

`1`	`0`	`-1`	`-2`	`-3`	`-4`	`-5`	`-6`	`-7`	`-8`	`-9`
`1`	`0`	`-3`	`-8`	`-15`	`-24`	`-35`	`-48`	`-63`	`-80`
`1`	`0`	`-6`	`-20`	`-45`	`-84`	`-140`	`-216`	`-315`
`1`	`0`	`-10`	`-40`	`-105`	`-224`	`-420`	`-720`
`1`	`0`	`-15`	`-70`	`-210`	`-504`
`1`	`0`	`-21`	`-112`	`-378`
`1`	`0`	`-28`	`-168`
`1`	`0`	`-36`
`1`	`0`
`1`

A055137 as an upper right triangle

`1`	`0`	`-1`	`-2`	`-3`	`-4`	`-5`	`-6`	`-7`	`-8`	`-9`
	`1`	`0`	`-3`	`-8`	`-15`	`-24`	`-35`	`-48`	`-63`	`-80`
		`1`	`0`	`-6`	`-20`	`-45`	`-84`	`-140`	`-216`	`-315`
			`1`	`0`	`-10`	`-40`	`-105`	`-224`	`-420`	`-720`
				`1`	`0`	`-15`	`-70`	`-210`	`-504`
					`1`	`0`	`-21`	`-112`	`-378`
						`1`	`0`	`-28`	`-168`
							`1`	`0`	`-36`
								`1`	`0`
									`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 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)