A282507 - OEIS

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A282507 as a triangular array

2

3 6

4 24 24

5 70 180 120

6 180 900 1440 720

7 434 3780 10920 12600 5040

8 1008 14448 67200 134400 120960 40320

9 2286 52164 367416 1134000 1723680 1270080 362880

10 5100 181500 1864800 8341200 19051200 23284800 14515200 3628800

A282507 as a square array

`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`6`	`24`	`70`	`180`	`434`	`1008`	`2286`	`5100`
`24`	`180`	`900`	`3780`	`14448`	`52164`	`181500`
`120`	`1440`	`10920`	`67200`	`367416`	`1864800`
`720`	`12600`	`134400`	`1134000`	`8341200`
`5040`	`120960`	`1723680`	`19051200`
`40320`	`1270080`	`23284800`
`362880`	`14515200`
`3628800`

A282507 as an upper right triangle

`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
	`6`	`24`	`70`	`180`	`434`	`1008`	`2286`	`5100`
		`24`	`180`	`900`	`3780`	`14448`	`52164`	`181500`
			`120`	`1440`	`10920`	`67200`	`367416`	`1864800`
				`720`	`12600`	`134400`	`1134000`	`8341200`
					`5040`	`120960`	`1723680`	`19051200`
						`40320`	`1270080`	`23284800`
							`362880`	`14515200`
								`3628800`

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Last modified August 22 09:18 EDT 2024. Contains 375369 sequences. (Running on oeis4.)