A104509 - OEIS

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A104509 as a triangular array

1

1 -1

3 -2 1

4 -6 3 -1

7 -12 10 -4 1

11 -25 25 -15 5 -1

18 -48 60 -44 21 -6 1

29 -91 133 -119 70 -28 7 -1

47 -168 284 -296 210 -104 36 -8 1

76 -306 585 -699 576 -342 147 -45 9 -1

123 -550 1175 -1580 1485 -1022 525 -200 55 -10 1

199 -979 2310 -3454 3641

A104509 as a square array

`1`	`1`	`3`	`4`	`7`	`11`	`18`	`29`	`47`	`76`	`123`	`199`
`-1`	`-2`	`-6`	`-12`	`-25`	`-48`	`-91`	`-168`	`-306`	`-550`	`-979`
`1`	`3`	`10`	`25`	`60`	`133`	`284`	`585`	`1175`	`2310`
`-1`	`-4`	`-15`	`-44`	`-119`	`-296`	`-699`	`-1580`	`-3454`
`1`	`5`	`21`	`70`	`210`	`576`	`1485`	`3641`
`-1`	`-6`	`-28`	`-104`	`-342`	`-1022`
`1`	`7`	`36`	`147`	`525`
`-1`	`-8`	`-45`	`-200`
`1`	`9`	`55`
`-1`	`-10`
`1`

A104509 as an upper right triangle

`1`	`1`	`3`	`4`	`7`	`11`	`18`	`29`	`47`	`76`	`123`	`199`
	`-1`	`-2`	`-6`	`-12`	`-25`	`-48`	`-91`	`-168`	`-306`	`-550`	`-979`
		`1`	`3`	`10`	`25`	`60`	`133`	`284`	`585`	`1175`	`2310`
			`-1`	`-4`	`-15`	`-44`	`-119`	`-296`	`-699`	`-1580`	`-3454`
				`1`	`5`	`21`	`70`	`210`	`576`	`1485`	`3641`
					`-1`	`-6`	`-28`	`-104`	`-342`	`-1022`
						`1`	`7`	`36`	`147`	`525`
							`-1`	`-8`	`-45`	`-200`
								`1`	`9`	`55`
									`-1`	`-10`
										`1`

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