A191897 - OEIS

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A191897 as a triangular array

1

1 0

1 0 -2

1 0 -4 0

1 0 -6 0 4

1 0 -8 0 12 0

1 0 -10 0 24 0 -8

1 0 -12 0 40 0 -32 0

1 0 -14 0 60 0 -80 0 16

1 0 -16 0 84 0 -160 0 80 0

1 0 -18 0 112 0 -280 0 240 0 -32

A191897 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`-2`	`-4`	`-6`	`-8`	`-10`	`-12`	`-14`	`-16`	`-18`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`4`	`12`	`24`	`40`	`60`	`84`	`112`
`0`	`0`	`0`	`0`	`0`	`0`
`-8`	`-32`	`-80`	`-160`	`-280`
`0`	`0`	`0`	`0`
`16`	`80`	`240`
`0`	`0`
`-32`

A191897 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`-2`	`-4`	`-6`	`-8`	`-10`	`-12`	`-14`	`-16`	`-18`
			`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
				`4`	`12`	`24`	`40`	`60`	`84`	`112`
					`0`	`0`	`0`	`0`	`0`	`0`
						`-8`	`-32`	`-80`	`-160`	`-280`
							`0`	`0`	`0`	`0`
								`16`	`80`	`240`
									`0`	`0`
										`-32`

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)