A337407 - OEIS

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A337407 as a triangular array

1

2 1

3 6 1

4 24 218 1

5 70 22815 22409620 1

6 165 703760 9651199594275 629648865090036960064 1

7 336 10194250 96076801068337216 76983765319971869475595432431084156 272443651709491352597039736725488834366101875164020736 1

A337407 as a square array

`1`	`2`	`3`	`4`	`5`	`6`	`7`
`1`	`6`	`24`	`70`	`165`	`336`
`1`	`218`	`22815`	`703760`	`10194250`
`1`	`22409620`	`9651199594275`	`96076801068337216`
`1`	`629648865090036960064`	`76983765319971869475595432431084156`
`1`	`272443651709491352597039736725488834366101875164020736`
`1`

A337407 as an upper right triangle

`1`	`2`	`3`	`4`	`5`	`6`	`7`
	`1`	`6`	`24`	`70`	`165`	`336`
		`1`	`218`	`22815`	`703760`	`10194250`
			`1`	`22409620`	`9651199594275`	`96076801068337216`
				`1`	`629648865090036960064`	`76983765319971869475595432431084156`
					`1`	`272443651709491352597039736725488834366101875164020736`
						`1`

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Last modified July 28 09:21 EDT 2024. Contains 374676 sequences. (Running on oeis4.)