A047920 - OEIS

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A047920 as a triangular array

1

1 0

2 1 1

6 4 3 2

24 18 14 11 9

120 96 78 64 53 44

720 600 504 426 362 309 265

5040 4320 3720 3216 2790 2428 2119 1854

40320 35280 30960 27240 24024 21234 18806 16687 14833

362880 322560

A047920 as a square array

`1`	`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`	`362880`
`0`	`1`	`4`	`18`	`96`	`600`	`4320`	`35280`	`322560`
`1`	`3`	`14`	`78`	`504`	`3720`	`30960`
`2`	`11`	`64`	`426`	`3216`	`27240`
`9`	`53`	`362`	`2790`	`24024`
`44`	`309`	`2428`	`21234`
`265`	`2119`	`18806`
`1854`	`16687`
`14833`

A047920 as an upper right triangle

`1`	`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`	`362880`
	`0`	`1`	`4`	`18`	`96`	`600`	`4320`	`35280`	`322560`
		`1`	`3`	`14`	`78`	`504`	`3720`	`30960`
			`2`	`11`	`64`	`426`	`3216`	`27240`
				`9`	`53`	`362`	`2790`	`24024`
					`44`	`309`	`2428`	`21234`
						`265`	`2119`	`18806`
							`1854`	`16687`
								`14833`

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)