A124928 - OEIS

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A124928 as a triangular array

1

1 3

1 6 3

1 9 9 3

1 12 18 12 3

1 15 30 30 15 3

1 18 45 60 45 18 3

1 21 63 105 105 63 21 3

1 24 84 168 210 168 84 24 3

1 27 108 252 378 378 252 108 27 3

1 30 135 360 630 756 630 360 135 30 3

A124928 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`3`	`6`	`9`	`12`	`15`	`18`	`21`	`24`	`27`	`30`
`3`	`9`	`18`	`30`	`45`	`63`	`84`	`108`	`135`
`3`	`12`	`30`	`60`	`105`	`168`	`252`	`360`
`3`	`15`	`45`	`105`	`210`	`378`	`630`
`3`	`18`	`63`	`168`	`378`	`756`
`3`	`21`	`84`	`252`	`630`
`3`	`24`	`108`	`360`
`3`	`27`	`135`
`3`	`30`
`3`

A124928 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`3`	`6`	`9`	`12`	`15`	`18`	`21`	`24`	`27`	`30`
		`3`	`9`	`18`	`30`	`45`	`63`	`84`	`108`	`135`
			`3`	`12`	`30`	`60`	`105`	`168`	`252`	`360`
				`3`	`15`	`45`	`105`	`210`	`378`	`630`
					`3`	`18`	`63`	`168`	`378`	`756`
						`3`	`21`	`84`	`252`	`630`
							`3`	`24`	`108`	`360`
								`3`	`27`	`135`
									`3`	`30`
										`3`

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Last modified May 14 23:22 EDT 2024. Contains 372535 sequences. (Running on oeis4.)