A097808 - OEIS

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A097808 as a triangular array

1

0 1

-1 -1 1

2 0 -2 1

-3 2 2 -3 1

4 -5 0 5 -4 1

-5 9 -5 -5 9 -5 1

6 -14 14 0 -14 14 -6 1

-7 20 -28 14 14 -28 20 -7 1

8 -27 48 -42 0 42 -48 27 -8 1

-9 35 -75 90 -42 -42 90 -75 35 -9 1

10 -44 110 -165 132 0 -132 165 -110 44 -10 1

A097808 as a square array

`1`	`0`	`-1`	`2`	`-3`	`4`	`-5`	`6`	`-7`	`8`	`-9`	`10`
`1`	`-1`	`0`	`2`	`-5`	`9`	`-14`	`20`	`-27`	`35`	`-44`
`1`	`-2`	`2`	`0`	`-5`	`14`	`-28`	`48`	`-75`	`110`
`1`	`-3`	`5`	`-5`	`0`	`14`	`-42`	`90`	`-165`
`1`	`-4`	`9`	`-14`	`14`	`0`	`-42`	`132`
`1`	`-5`	`14`	`-28`	`42`	`-42`	`0`
`1`	`-6`	`20`	`-48`	`90`	`-132`
`1`	`-7`	`27`	`-75`	`165`
`1`	`-8`	`35`	`-110`
`1`	`-9`	`44`
`1`	`-10`
`1`

A097808 as an upper right triangle

`1`	`0`	`-1`	`2`	`-3`	`4`	`-5`	`6`	`-7`	`8`	`-9`	`10`
	`1`	`-1`	`0`	`2`	`-5`	`9`	`-14`	`20`	`-27`	`35`	`-44`
		`1`	`-2`	`2`	`0`	`-5`	`14`	`-28`	`48`	`-75`	`110`
			`1`	`-3`	`5`	`-5`	`0`	`14`	`-42`	`90`	`-165`
				`1`	`-4`	`9`	`-14`	`14`	`0`	`-42`	`132`
					`1`	`-5`	`14`	`-28`	`42`	`-42`	`0`
						`1`	`-6`	`20`	`-48`	`90`	`-132`
							`1`	`-7`	`27`	`-75`	`165`
								`1`	`-8`	`35`	`-110`
									`1`	`-9`	`44`
										`1`	`-10`
											`1`

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)