A124927 - OEIS

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A124927 as a triangular array

1

1 2

1 4 2

1 6 6 2

1 8 12 8 2

1 10 20 20 10 2

1 12 30 40 30 12 2

1 14 42 70 70 42 14 2

1 16 56 112 140 112 56 16 2

1 18 72 168 252 252 168 72 18 2

1 20 90 240 420 504 420 240 90 20 2

1 22 110 330 660 924 924 660 330 110 22 2

A124927 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`	`22`
`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`	`110`
`2`	`8`	`20`	`40`	`70`	`112`	`168`	`240`	`330`
`2`	`10`	`30`	`70`	`140`	`252`	`420`	`660`
`2`	`12`	`42`	`112`	`252`	`504`	`924`
`2`	`14`	`56`	`168`	`420`	`924`
`2`	`16`	`72`	`240`	`660`
`2`	`18`	`90`	`330`
`2`	`20`	`110`
`2`	`22`
`2`

A124927 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`	`22`
		`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`	`110`
			`2`	`8`	`20`	`40`	`70`	`112`	`168`	`240`	`330`
				`2`	`10`	`30`	`70`	`140`	`252`	`420`	`660`
					`2`	`12`	`42`	`112`	`252`	`504`	`924`
						`2`	`14`	`56`	`168`	`420`	`924`
							`2`	`16`	`72`	`240`	`660`
								`2`	`18`	`90`	`330`
									`2`	`20`	`110`
										`2`	`22`
											`2`

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Last modified May 9 00:38 EDT 2024. Contains 372341 sequences. (Running on oeis4.)