A124137 - OEIS

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A124137 as a triangular array

1

0 1

-1 0 2

0 -2 0 3

1 0 -5 0 5

0 3 0 -10 0 8

-1 0 9 0 -20 0 13

0 -4 0 22 0 -38 0 21

1 0 -14 0 51 0 -71 0 34

0 5 0 -40 0 111 0 -130 0 55

-1 0 20 0 -105 0 233 0 -235 0 89

A124137 as a square array

`1`	`0`	`-1`	`0`	`1`	`0`	`-1`	`0`	`1`	`0`	`-1`
`1`	`0`	`-2`	`0`	`3`	`0`	`-4`	`0`	`5`	`0`
`2`	`0`	`-5`	`0`	`9`	`0`	`-14`	`0`	`20`
`3`	`0`	`-10`	`0`	`22`	`0`	`-40`	`0`
`5`	`0`	`-20`	`0`	`51`	`0`	`-105`
`8`	`0`	`-38`	`0`	`111`	`0`
`13`	`0`	`-71`	`0`	`233`
`21`	`0`	`-130`	`0`
`34`	`0`	`-235`
`55`	`0`
`89`

A124137 as an upper right triangle

`1`	`0`	`-1`	`0`	`1`	`0`	`-1`	`0`	`1`	`0`	`-1`
	`1`	`0`	`-2`	`0`	`3`	`0`	`-4`	`0`	`5`	`0`
		`2`	`0`	`-5`	`0`	`9`	`0`	`-14`	`0`	`20`
			`3`	`0`	`-10`	`0`	`22`	`0`	`-40`	`0`
				`5`	`0`	`-20`	`0`	`51`	`0`	`-105`
					`8`	`0`	`-38`	`0`	`111`	`0`
						`13`	`0`	`-71`	`0`	`233`
							`21`	`0`	`-130`	`0`
								`34`	`0`	`-235`
									`55`	`0`
										`89`

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)