A140880 - OEIS

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A140880 as a triangular array

2

6 6

12 24 12

20 60 60 20

30 120 180 120 30

42 210 420 420 210 42

56 336 840 1120 840 336 56

72 504 1512 2520 2520 1512 504 72

90 720 2520 5040 6300 5040 2520 720 90

A140880 as a square array

`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`6`	`24`	`60`	`120`	`210`	`336`	`504`	`720`
`12`	`60`	`180`	`420`	`840`	`1512`	`2520`
`20`	`120`	`420`	`1120`	`2520`	`5040`
`30`	`210`	`840`	`2520`	`6300`
`42`	`336`	`1512`	`5040`
`56`	`504`	`2520`
`72`	`720`
`90`

A140880 as an upper right triangle

`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
	`6`	`24`	`60`	`120`	`210`	`336`	`504`	`720`
		`12`	`60`	`180`	`420`	`840`	`1512`	`2520`
			`20`	`120`	`420`	`1120`	`2520`	`5040`
				`30`	`210`	`840`	`2520`	`6300`
					`42`	`336`	`1512`	`5040`
						`56`	`504`	`2520`
							`72`	`720`
								`90`

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)