A128089 - OEIS

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A128089 as a triangular array

1

4 4

6 18 9

8 24 48 16

10 30 60 100 25

12 36 72 120 180 36

14 42 84 140 210 294 49

16 48 96 160 240 336 448 64

18 54 108 180 270 378 504 648 81

20 60 120 200 300 420 560 720 900 100

A128089 as a square array

`1`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`
`4`	`18`	`24`	`30`	`36`	`42`	`48`	`54`	`60`
`9`	`48`	`60`	`72`	`84`	`96`	`108`	`120`
`16`	`100`	`120`	`140`	`160`	`180`	`200`
`25`	`180`	`210`	`240`	`270`	`300`
`36`	`294`	`336`	`378`	`420`
`49`	`448`	`504`	`560`
`64`	`648`	`720`
`81`	`900`
`100`

A128089 as an upper right triangle

`1`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`
	`4`	`18`	`24`	`30`	`36`	`42`	`48`	`54`	`60`
		`9`	`48`	`60`	`72`	`84`	`96`	`108`	`120`
			`16`	`100`	`120`	`140`	`160`	`180`	`200`
				`25`	`180`	`210`	`240`	`270`	`300`
					`36`	`294`	`336`	`378`	`420`
						`49`	`448`	`504`	`560`
							`64`	`648`	`720`
								`81`	`900`
									`100`

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)