A141618 - OEIS

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A141618 as a triangular array

1

1 2

1 9 6

1 28 72 24

1 75 500 600 120

1 186 2700 7800 5400 720

1 441 12642 73500 117600 52920 5040

1 1016 54096 571536 1764000 1787520 564480 40320

1 2295 217800 3916080 21019824 40007520 27941760 6531840 362880

1 5110 839700 24555600 214326000

A141618 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`9`	`28`	`75`	`186`	`441`	`1016`	`2295`	`5110`
`6`	`72`	`500`	`2700`	`12642`	`54096`	`217800`	`839700`
`24`	`600`	`7800`	`73500`	`571536`	`3916080`	`24555600`
`120`	`5400`	`117600`	`1764000`	`21019824`	`214326000`
`720`	`52920`	`1787520`	`40007520`
`5040`	`564480`	`27941760`
`40320`	`6531840`
`362880`

A141618 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`9`	`28`	`75`	`186`	`441`	`1016`	`2295`	`5110`
		`6`	`72`	`500`	`2700`	`12642`	`54096`	`217800`	`839700`
			`24`	`600`	`7800`	`73500`	`571536`	`3916080`	`24555600`
				`120`	`5400`	`117600`	`1764000`	`21019824`	`214326000`
					`720`	`52920`	`1787520`	`40007520`
						`5040`	`564480`	`27941760`
							`40320`	`6531840`
								`362880`

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Last modified May 22 06:48 EDT 2024. Contains 372743 sequences. (Running on oeis4.)