A140575 - OEIS

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A140575 as a triangular array

0

2 -1

0 2 -1

2 -3 3 -1

0 4 -6 4 -1

2 -5 10 -10 5 -1

0 6 -15 20 -15 6 -1

2 -7 21 -35 35 -21 7 -1

0 8 -28 56 -70 56 -28 8 -1

2 -9 36 -84 126 -126 84 -36 9 -1

0 10 -45 120 -210 252 -210 120 -45 10 -1

A140575 as a square array

`0`	`2`	`0`	`2`	`0`	`2`	`0`	`2`	`0`	`2`	`0`
`-1`	`2`	`-3`	`4`	`-5`	`6`	`-7`	`8`	`-9`	`10`
`-1`	`3`	`-6`	`10`	`-15`	`21`	`-28`	`36`	`-45`
`-1`	`4`	`-10`	`20`	`-35`	`56`	`-84`	`120`
`-1`	`5`	`-15`	`35`	`-70`	`126`	`-210`
`-1`	`6`	`-21`	`56`	`-126`	`252`
`-1`	`7`	`-28`	`84`	`-210`
`-1`	`8`	`-36`	`120`
`-1`	`9`	`-45`
`-1`	`10`
`-1`

A140575 as an upper right triangle

`0`	`2`	`0`	`2`	`0`	`2`	`0`	`2`	`0`	`2`	`0`
	`-1`	`2`	`-3`	`4`	`-5`	`6`	`-7`	`8`	`-9`	`10`
		`-1`	`3`	`-6`	`10`	`-15`	`21`	`-28`	`36`	`-45`
			`-1`	`4`	`-10`	`20`	`-35`	`56`	`-84`	`120`
				`-1`	`5`	`-15`	`35`	`-70`	`126`	`-210`
					`-1`	`6`	`-21`	`56`	`-126`	`252`
						`-1`	`7`	`-28`	`84`	`-210`
							`-1`	`8`	`-36`	`120`
								`-1`	`9`	`-45`
									`-1`	`10`
										`-1`

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Last modified May 3 21:39 EDT 2024. Contains 372225 sequences. (Running on oeis4.)