A053122 - OEIS

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A053122 as a triangular array

1

-2 1

3 -4 1

-4 10 -6 1

5 -20 21 -8 1

-6 35 -56 36 -10 1

7 -56 126 -120 55 -12 1

-8 84 -252 330 -220 78 -14 1

9 -120 462 -792 715 -364 105 -16 1

-10 165 -792 1716 -2002 1365 -560 136 -18 1

11 -220 1287 -3432 5005 -4368 2380 -816 171 -20

A053122 as a square array

`1`	`-2`	`3`	`-4`	`5`	`-6`	`7`	`-8`	`9`	`-10`	`11`
`1`	`-4`	`10`	`-20`	`35`	`-56`	`84`	`-120`	`165`	`-220`
`1`	`-6`	`21`	`-56`	`126`	`-252`	`462`	`-792`	`1287`
`1`	`-8`	`36`	`-120`	`330`	`-792`	`1716`	`-3432`
`1`	`-10`	`55`	`-220`	`715`	`-2002`	`5005`
`1`	`-12`	`78`	`-364`	`1365`	`-4368`
`1`	`-14`	`105`	`-560`	`2380`
`1`	`-16`	`136`	`-816`
`1`	`-18`	`171`
`1`	`-20`

A053122 as an upper right triangle

`1`	`-2`	`3`	`-4`	`5`	`-6`	`7`	`-8`	`9`	`-10`	`11`
	`1`	`-4`	`10`	`-20`	`35`	`-56`	`84`	`-120`	`165`	`-220`
		`1`	`-6`	`21`	`-56`	`126`	`-252`	`462`	`-792`	`1287`
			`1`	`-8`	`36`	`-120`	`330`	`-792`	`1716`	`-3432`
				`1`	`-10`	`55`	`-220`	`715`	`-2002`	`5005`
					`1`	`-12`	`78`	`-364`	`1365`	`-4368`
						`1`	`-14`	`105`	`-560`	`2380`
							`1`	`-16`	`136`	`-816`
								`1`	`-18`	`171`
									`1`	`-20`

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)