A061928 - OEIS

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A061928 as a triangular array

6

12 12

20 30 20

30 60 60 30

42 105 140 105 42

56 168 280 280 168 56

72 252 504 630 504 252 72

90 360 840 1260 1260 840 360 90

110 495 1320 2310 2772 2310 1320 495 110

132 660 1980 3960 5544 5544 3960

A061928 as a square array

`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`	`110`	`132`
`12`	`30`	`60`	`105`	`168`	`252`	`360`	`495`	`660`
`20`	`60`	`140`	`280`	`504`	`840`	`1320`	`1980`
`30`	`105`	`280`	`630`	`1260`	`2310`	`3960`
`42`	`168`	`504`	`1260`	`2772`	`5544`
`56`	`252`	`840`	`2310`	`5544`
`72`	`360`	`1320`	`3960`
`90`	`495`
`110`

A061928 as an upper right triangle

`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`	`110`	`132`
	`12`	`30`	`60`	`105`	`168`	`252`	`360`	`495`	`660`
		`20`	`60`	`140`	`280`	`504`	`840`	`1320`	`1980`
			`30`	`105`	`280`	`630`	`1260`	`2310`	`3960`
				`42`	`168`	`504`	`1260`	`2772`	`5544`
					`56`	`252`	`840`	`2310`	`5544`
						`72`	`360`	`1320`	`3960`
							`90`	`495`
								`110`

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)