A179661 - OEIS

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A179661 as a triangular array

1

2 2

3 6 6

4 12 12 12

5 20 60 60 60

6 30 60 60 60 60

7 42 210 420 420 420 420

8 56 280 840 840 840 840 840

9 72 504 2520 2520 2520 2520 2520 2520

10 90 630 2520 2520 2520 2520 2520 2520 2520

11 110 990

A179661 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`	`110`
`6`	`12`	`60`	`60`	`210`	`280`	`504`	`630`	`990`
`12`	`60`	`60`	`420`	`840`	`2520`	`2520`
`60`	`60`	`420`	`840`	`2520`	`2520`
`60`	`420`	`840`	`2520`	`2520`
`420`	`840`	`2520`	`2520`
`840`	`2520`	`2520`
`2520`	`2520`
`2520`

A179661 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`	`110`
		`6`	`12`	`60`	`60`	`210`	`280`	`504`	`630`	`990`
			`12`	`60`	`60`	`420`	`840`	`2520`	`2520`
				`60`	`60`	`420`	`840`	`2520`	`2520`
					`60`	`420`	`840`	`2520`	`2520`
						`420`	`840`	`2520`	`2520`
							`840`	`2520`	`2520`
								`2520`	`2520`
									`2520`

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Last modified April 25 06:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)