A047265 - OEIS

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A047265 as a triangular array

1

-1 1

0 -2 1

0 1 -3 1

-1 0 3 -4 1

0 -2 -1 6 -5 1

-1 2 -3 -4 10 -6 1

0 -2 6 -3 -10 15 -7 1

0 2 -6 12 0 -20 21 -8 1

0 1 6 -16 19 9 -35 28 -9 1

0 0 0 16 -35 24 28 -56 36 -10 1

-1 2 -3 -6 40 -65 21 62 -84 45 -11 1

A047265 as a square array

`1`	`-1`	`0`	`0`	`-1`	`0`	`-1`	`0`	`0`	`0`	`0`	`-1`
`1`	`-2`	`1`	`0`	`-2`	`2`	`-2`	`2`	`1`	`0`	`2`
`1`	`-3`	`3`	`-1`	`-3`	`6`	`-6`	`6`	`0`	`-3`
`1`	`-4`	`6`	`-4`	`-3`	`12`	`-16`	`16`	`-6`
`1`	`-5`	`10`	`-10`	`0`	`19`	`-35`	`40`
`1`	`-6`	`15`	`-20`	`9`	`24`	`-65`
`1`	`-7`	`21`	`-35`	`28`	`21`
`1`	`-8`	`28`	`-56`	`62`
`1`	`-9`	`36`	`-84`
`1`	`-10`	`45`
`1`	`-11`
`1`

A047265 as an upper right triangle

`1`	`-1`	`0`	`0`	`-1`	`0`	`-1`	`0`	`0`	`0`	`0`	`-1`
	`1`	`-2`	`1`	`0`	`-2`	`2`	`-2`	`2`	`1`	`0`	`2`
		`1`	`-3`	`3`	`-1`	`-3`	`6`	`-6`	`6`	`0`	`-3`
			`1`	`-4`	`6`	`-4`	`-3`	`12`	`-16`	`16`	`-6`
				`1`	`-5`	`10`	`-10`	`0`	`19`	`-35`	`40`
					`1`	`-6`	`15`	`-20`	`9`	`24`	`-65`
						`1`	`-7`	`21`	`-35`	`28`	`21`
							`1`	`-8`	`28`	`-56`	`62`
								`1`	`-9`	`36`	`-84`
									`1`	`-10`	`45`
										`1`	`-11`
											`1`

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Last modified April 18 03:29 EDT 2024. Contains 371767 sequences. (Running on oeis4.)