A215063 - OEIS

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A215063 as a triangular array

1

-1 1

1 -2 1

0 3 -3 1

-3 0 6 -4 1

9 -15 0 10 -5 1

-18 54 -45 0 15 -6 1

27 -126 189 -105 0 21 -7 1

-27 216 -504 504 -210 0 28 -8 1

0 -243 972 -1512 1134 -378 0 36 -9 1

81 0 -1215

A215063 as a square array

`1`	`-1`	`1`	`0`	`-3`	`9`	`-18`	`27`	`-27`	`0`	`81`
`1`	`-2`	`3`	`0`	`-15`	`54`	`-126`	`216`	`-243`	`0`
`1`	`-3`	`6`	`0`	`-45`	`189`	`-504`	`972`	`-1215`
`1`	`-4`	`10`	`0`	`-105`	`504`	`-1512`
`1`	`-5`	`15`	`0`	`-210`	`1134`
`1`	`-6`	`21`	`0`	`-378`
`1`	`-7`	`28`	`0`
`1`	`-8`	`36`
`1`	`-9`
`1`

A215063 as an upper right triangle

`1`	`-1`	`1`	`0`	`-3`	`9`	`-18`	`27`	`-27`	`0`	`81`
	`1`	`-2`	`3`	`0`	`-15`	`54`	`-126`	`216`	`-243`	`0`
		`1`	`-3`	`6`	`0`	`-45`	`189`	`-504`	`972`	`-1215`
			`1`	`-4`	`10`	`0`	`-105`	`504`	`-1512`
				`1`	`-5`	`15`	`0`	`-210`	`1134`
					`1`	`-6`	`21`	`0`	`-378`
						`1`	`-7`	`28`	`0`
							`1`	`-8`	`36`
								`1`	`-9`
									`1`

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)