A060538 - OEIS

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A060538 as a triangular array

1

1 2

1 6 6

1 20 90 24

1 70 1680 2520 120

1 252 34650 369600 113400 720

1 924 756756 63063000 168168000 7484400 5040

1 3432 17153136 11732745024 305540235000 137225088000 681080400 40320

1 12870

A060538 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`6`	`20`	`70`	`252`	`924`	`3432`	`12870`
`6`	`90`	`1680`	`34650`	`756756`	`17153136`
`24`	`2520`	`369600`	`63063000`	`11732745024`
`120`	`113400`	`168168000`	`305540235000`
`720`	`7484400`	`137225088000`
`5040`	`681080400`
`40320`

A060538 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`6`	`20`	`70`	`252`	`924`	`3432`	`12870`
		`6`	`90`	`1680`	`34650`	`756756`	`17153136`
			`24`	`2520`	`369600`	`63063000`	`11732745024`
				`120`	`113400`	`168168000`	`305540235000`
					`720`	`7484400`	`137225088000`
						`5040`	`681080400`
							`40320`

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)