A158418 - OEIS

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A158418 as a triangular array

1

1 -1

1 -3 1

1 -5 5 -1

-3 11 -4 -5 1

-3 17 -18 -2 7 -1

9 -39 12 35 -12 -7 1

-27 81 54 -104 -28 30 7 -1

-135 621 -459 -286 266 58 -43 -7 1

-135 891 -1269 155 652 -216 -119 37 9 -1

405 -2133 1431 1986 -1677

A158418 as a square array

`1`	`1`	`1`	`1`	`-3`	`-3`	`9`	`-27`	`-135`	`-135`	`405`
`-1`	`-3`	`-5`	`11`	`17`	`-39`	`81`	`621`	`891`	`-2133`
`1`	`5`	`-4`	`-18`	`12`	`54`	`-459`	`-1269`	`1431`
`-1`	`-5`	`-2`	`35`	`-104`	`-286`	`155`	`1986`
`1`	`7`	`-12`	`-28`	`266`	`652`	`-1677`
`-1`	`-7`	`30`	`58`	`-216`
`1`	`7`	`-43`	`-119`
`-1`	`-7`	`37`
`1`	`9`
`-1`

A158418 as an upper right triangle

`1`	`1`	`1`	`1`	`-3`	`-3`	`9`	`-27`	`-135`	`-135`	`405`
	`-1`	`-3`	`-5`	`11`	`17`	`-39`	`81`	`621`	`891`	`-2133`
		`1`	`5`	`-4`	`-18`	`12`	`54`	`-459`	`-1269`	`1431`
			`-1`	`-5`	`-2`	`35`	`-104`	`-286`	`155`	`1986`
				`1`	`7`	`-12`	`-28`	`266`	`652`	`-1677`
					`-1`	`-7`	`30`	`58`	`-216`
						`1`	`7`	`-43`	`-119`
							`-1`	`-7`	`37`
								`1`	`9`
									`-1`

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Last modified April 24 07:35 EDT 2024. Contains 371922 sequences. (Running on oeis4.)