A189675 - OEIS

login

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

A189675 as a triangular array

1

-1 2

2 -4 3

-5 10 -9 5

14 -28 27 -20 8

-42 84 -84 70 -40 13

132 -264 270 -240 160 -78 21

-429 858 -891 825 -600 351 -147 34

1430 -2860 3003 -2860 2200 -1430 735 -272 55

-4862 9724 -10296 10010 -8008 5577 -3234 1496 -495 89

16796 -33592 35802 -35360 29120 -21294 13377 -7072 2970 -890 144

-58786 117572 -125970 125970 -106080 80444 -53508 30940 -15015 5785 -1584 233

A189675 as a square array

`1`	`-1`	`2`	`-5`	`14`	`-42`	`132`	`-429`	`1430`	`-4862`	`16796`	`-58786`
`2`	`-4`	`10`	`-28`	`84`	`-264`	`858`	`-2860`	`9724`	`-33592`	`117572`
`3`	`-9`	`27`	`-84`	`270`	`-891`	`3003`	`-10296`	`35802`	`-125970`
`5`	`-20`	`70`	`-240`	`825`	`-2860`	`10010`	`-35360`	`125970`
`8`	`-40`	`160`	`-600`	`2200`	`-8008`	`29120`	`-106080`
`13`	`-78`	`351`	`-1430`	`5577`	`-21294`	`80444`
`21`	`-147`	`735`	`-3234`	`13377`	`-53508`
`34`	`-272`	`1496`	`-7072`	`30940`
`55`	`-495`	`2970`	`-15015`
`89`	`-890`	`5785`
`144`	`-1584`
`233`

A189675 as an upper right triangle

`1`	`-1`	`2`	`-5`	`14`	`-42`	`132`	`-429`	`1430`	`-4862`	`16796`	`-58786`
	`2`	`-4`	`10`	`-28`	`84`	`-264`	`858`	`-2860`	`9724`	`-33592`	`117572`
		`3`	`-9`	`27`	`-84`	`270`	`-891`	`3003`	`-10296`	`35802`	`-125970`
			`5`	`-20`	`70`	`-240`	`825`	`-2860`	`10010`	`-35360`	`125970`
				`8`	`-40`	`160`	`-600`	`2200`	`-8008`	`29120`	`-106080`
					`13`	`-78`	`351`	`-1430`	`5577`	`-21294`	`80444`
						`21`	`-147`	`735`	`-3234`	`13377`	`-53508`
							`34`	`-272`	`1496`	`-7072`	`30940`
								`55`	`-495`	`2970`	`-15015`
									`89`	`-890`	`5785`
										`144`	`-1584`
											`233`

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 07:35 EDT 2024. Contains 371922 sequences. (Running on oeis4.)