A268222 - OEIS

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A268222 as a triangular array

5

15 30

35 105 210

70 280 840 1680

126 630 2520 7560 210

1260 6300 25200 75600 151200 330

2310 13860 69300 277200 831600 1663200 495

3960 27720 166320 831600 3326400 9979200 19958400

A268222 as a square array

`5`	`15`	`35`	`70`	`126`	`1260`	`2310`	`3960`
`30`	`105`	`280`	`630`	`6300`	`13860`	`27720`
`210`	`840`	`2520`	`25200`	`69300`	`166320`
`1680`	`7560`	`75600`	`277200`	`831600`
`210`	`151200`	`831600`	`3326400`
`330`	`1663200`	`9979200`
`495`	`19958400`

A268222 as an upper right triangle

`5`	`15`	`35`	`70`	`126`	`1260`	`2310`	`3960`
	`30`	`105`	`280`	`630`	`6300`	`13860`	`27720`
		`210`	`840`	`2520`	`25200`	`69300`	`166320`
			`1680`	`7560`	`75600`	`277200`	`831600`
				`210`	`151200`	`831600`	`3326400`
					`330`	`1663200`	`9979200`
						`495`	`19958400`

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Last modified April 24 05:36 EDT 2024. Contains 371918 sequences. (Running on oeis4.)