A144389 - OEIS

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A144389 as a triangular array

-1

2 -1

1 4 -1

4 3 6 -1

3 16 6 8 -1

6 15 40 10 10 -1

5 36 45 80 15 12 -1

8 35 126 105 140 21 14 -1

7 64 140 336 210 224 28 16 -1

10 63 288 420 756 378 336 36 18 -1

9 100 315 960 1050 1512 630 480 45 20 -1

A144389 as a square array

`-1`	`2`	`1`	`4`	`3`	`6`	`5`	`8`	`7`	`10`	`9`
`-1`	`4`	`3`	`16`	`15`	`36`	`35`	`64`	`63`	`100`
`-1`	`6`	`6`	`40`	`45`	`126`	`140`	`288`	`315`
`-1`	`8`	`10`	`80`	`105`	`336`	`420`	`960`
`-1`	`10`	`15`	`140`	`210`	`756`	`1050`
`-1`	`12`	`21`	`224`	`378`	`1512`
`-1`	`14`	`28`	`336`	`630`
`-1`	`16`	`36`	`480`
`-1`	`18`	`45`
`-1`	`20`
`-1`

A144389 as an upper right triangle

`-1`	`2`	`1`	`4`	`3`	`6`	`5`	`8`	`7`	`10`	`9`
	`-1`	`4`	`3`	`16`	`15`	`36`	`35`	`64`	`63`	`100`
		`-1`	`6`	`6`	`40`	`45`	`126`	`140`	`288`	`315`
			`-1`	`8`	`10`	`80`	`105`	`336`	`420`	`960`
				`-1`	`10`	`15`	`140`	`210`	`756`	`1050`
					`-1`	`12`	`21`	`224`	`378`	`1512`
						`-1`	`14`	`28`	`336`	`630`
							`-1`	`16`	`36`	`480`
								`-1`	`18`	`45`
									`-1`	`20`
										`-1`

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Last modified April 24 08:08 EDT 2024. Contains 371922 sequences. (Running on oeis4.)