A063007 - OEIS

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A063007 as a triangular array

1

1 2

1 6 6

1 12 30 20

1 20 90 140 70

1 30 210 560 630 252

1 42 420 1680 3150 2772 924

1 56 756 4200 11550 16632 12012 3432

1 72 1260 9240 34650 72072 84084 51480 12870

1 90 1980 18480 90090 252252 420420 411840 218790 48620

A063007 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`6`	`30`	`90`	`210`	`420`	`756`	`1260`	`1980`
`20`	`140`	`560`	`1680`	`4200`	`9240`	`18480`
`70`	`630`	`3150`	`11550`	`34650`	`90090`
`252`	`2772`	`16632`	`72072`	`252252`
`924`	`12012`	`84084`	`420420`
`3432`	`51480`	`411840`
`12870`	`218790`
`48620`

A063007 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
		`6`	`30`	`90`	`210`	`420`	`756`	`1260`	`1980`
			`20`	`140`	`560`	`1680`	`4200`	`9240`	`18480`
				`70`	`630`	`3150`	`11550`	`34650`	`90090`
					`252`	`2772`	`16632`	`72072`	`252252`
						`924`	`12012`	`84084`	`420420`
							`3432`	`51480`	`411840`
								`12870`	`218790`
									`48620`

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Last modified April 23 14:49 EDT 2024. Contains 371914 sequences. (Running on oeis4.)