A108086 - OEIS

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A108086 as a triangular array

1

-1 1

-1 -2 1

1 -3 -3 1

1 4 -6 -4 1

-1 5 10 -10 -5 1

-1 -6 15 20 -15 -6 1

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

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

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

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

1 -11 -55 165 330 -462 -462 330 165 -55 -11 1

A108086 as a square array

`1`	`-1`	`-1`	`1`	`1`	`-1`	`-1`	`1`	`1`	`-1`	`-1`	`1`
`1`	`-2`	`-3`	`4`	`5`	`-6`	`-7`	`8`	`9`	`-10`	`-11`
`1`	`-3`	`-6`	`10`	`15`	`-21`	`-28`	`36`	`45`	`-55`
`1`	`-4`	`-10`	`20`	`35`	`-56`	`-84`	`120`	`165`
`1`	`-5`	`-15`	`35`	`70`	`-126`	`-210`	`330`
`1`	`-6`	`-21`	`56`	`126`	`-252`	`-462`
`1`	`-7`	`-28`	`84`	`210`	`-462`
`1`	`-8`	`-36`	`120`	`330`
`1`	`-9`	`-45`	`165`
`1`	`-10`	`-55`
`1`	`-11`
`1`

A108086 as an upper right triangle

`1`	`-1`	`-1`	`1`	`1`	`-1`	`-1`	`1`	`1`	`-1`	`-1`	`1`
	`1`	`-2`	`-3`	`4`	`5`	`-6`	`-7`	`8`	`9`	`-10`	`-11`
		`1`	`-3`	`-6`	`10`	`15`	`-21`	`-28`	`36`	`45`	`-55`
			`1`	`-4`	`-10`	`20`	`35`	`-56`	`-84`	`120`	`165`
				`1`	`-5`	`-15`	`35`	`70`	`-126`	`-210`	`330`
					`1`	`-6`	`-21`	`56`	`126`	`-252`	`-462`
						`1`	`-7`	`-28`	`84`	`210`	`-462`
							`1`	`-8`	`-36`	`120`	`330`
								`1`	`-9`	`-45`	`165`
									`1`	`-10`	`-55`
										`1`	`-11`
											`1`

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)