A173266 - OEIS

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A173266 as a triangular array

1

1 -1

1 -2 -1

1 -2 0 -1

1 -2 -2 0 -1

1 -2 2 0 0 -1

1 -2 -4 -2 0 0 -1

1 -2 6 2 0 0 0 -1

1 -2 -10 0 -2 0 0 0 -1

1 -2 16 -4 2 0 0 0 0 -1

1 -2 -26 6 0 -2 0 0 0 0 -1

1 -2 42 -2 0 2 0 0 0 0 0 -1

A173266 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`-1`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`
`-1`	`0`	`-2`	`2`	`-4`	`6`	`-10`	`16`	`-26`	`42`
`-1`	`0`	`0`	`-2`	`2`	`0`	`-4`	`6`	`-2`
`-1`	`0`	`0`	`0`	`-2`	`2`	`0`	`0`
`-1`	`0`	`0`	`0`	`0`	`-2`	`2`
`-1`	`0`	`0`	`0`	`0`	`0`
`-1`	`0`	`0`	`0`	`0`
`-1`	`0`	`0`	`0`
`-1`	`0`	`0`
`-1`	`0`
`-1`

A173266 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`-1`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`	`-2`
		`-1`	`0`	`-2`	`2`	`-4`	`6`	`-10`	`16`	`-26`	`42`
			`-1`	`0`	`0`	`-2`	`2`	`0`	`-4`	`6`	`-2`
				`-1`	`0`	`0`	`0`	`-2`	`2`	`0`	`0`
					`-1`	`0`	`0`	`0`	`0`	`-2`	`2`
						`-1`	`0`	`0`	`0`	`0`	`0`
							`-1`	`0`	`0`	`0`	`0`
								`-1`	`0`	`0`	`0`
									`-1`	`0`	`0`
										`-1`	`0`
											`-1`

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Last modified August 30 02:56 EDT 2024. Contains 375521 sequences. (Running on oeis4.)