A021010 - OEIS

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A021010 as a triangular array

1

-1 1

1 -4 2

-1 9 -18 6

1 -16 72 -96 24

-1 25 -200 600 -600 120

1 -36 450 -2400 5400 -4320 720

-1 49 -882 7350 -29400 52920 -35280 5040

1 -64 1568 -18816 117600 -376320 564480 -322560 40320

-1 81 -2592 42336 -381024 1905120 -5080320 6531840 -3265920 362880

A021010 as a square array

`1`	`-1`	`1`	`-1`	`1`	`-1`	`1`	`-1`	`1`	`-1`
`1`	`-4`	`9`	`-16`	`25`	`-36`	`49`	`-64`	`81`
`2`	`-18`	`72`	`-200`	`450`	`-882`	`1568`	`-2592`
`6`	`-96`	`600`	`-2400`	`7350`	`-18816`	`42336`
`24`	`-600`	`5400`	`-29400`	`117600`	`-381024`
`120`	`-4320`	`52920`	`-376320`	`1905120`
`720`	`-35280`	`564480`	`-5080320`
`5040`	`-322560`	`6531840`
`40320`	`-3265920`
`362880`

A021010 as an upper right triangle

`1`	`-1`	`1`	`-1`	`1`	`-1`	`1`	`-1`	`1`	`-1`
	`1`	`-4`	`9`	`-16`	`25`	`-36`	`49`	`-64`	`81`
		`2`	`-18`	`72`	`-200`	`450`	`-882`	`1568`	`-2592`
			`6`	`-96`	`600`	`-2400`	`7350`	`-18816`	`42336`
				`24`	`-600`	`5400`	`-29400`	`117600`	`-381024`
					`120`	`-4320`	`52920`	`-376320`	`1905120`
						`720`	`-35280`	`564480`	`-5080320`
							`5040`	`-322560`	`6531840`
								`40320`	`-3265920`
									`362880`

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Last modified June 8 09:36 EDT 2024. Contains 373217 sequences. (Running on oeis4.)