A216971 - OEIS

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A216971 as a triangular array

1

2 2

6 18 3

24 156 72 4

120 1520 1260 220 5

720 17310 21000 7020 600 6

5040 232932 363720 187320 32970 1554 7

40320 3698744 6794256 4746840 1351840 141288 3920 8

362880 68680656 139241088 121105152 48822480 8625456 573048 9720 9

3628800 1471193370

A216971 as a square array

`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`	`362880`	`3628800`
`2`	`18`	`156`	`1520`	`17310`	`232932`	`3698744`	`68680656`	`1471193370`
`3`	`72`	`1260`	`21000`	`363720`	`6794256`	`139241088`
`4`	`220`	`7020`	`187320`	`4746840`	`121105152`
`5`	`600`	`32970`	`1351840`	`48822480`
`6`	`1554`	`141288`	`8625456`
`7`	`3920`	`573048`
`8`	`9720`
`9`

A216971 as an upper right triangle

`1`	`2`	`6`	`24`	`120`	`720`	`5040`	`40320`	`362880`	`3628800`
	`2`	`18`	`156`	`1520`	`17310`	`232932`	`3698744`	`68680656`	`1471193370`
		`3`	`72`	`1260`	`21000`	`363720`	`6794256`	`139241088`
			`4`	`220`	`7020`	`187320`	`4746840`	`121105152`
				`5`	`600`	`32970`	`1351840`	`48822480`
					`6`	`1554`	`141288`	`8625456`
						`7`	`3920`	`573048`
							`8`	`9720`
								`9`

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