A069466 - OEIS

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A069466 as a triangular array

1

2 2

6 24 6

20 180 180 20

70 1120 2520 1120 70

252 6300 25200 25200 6300 252

924 33264 207900 369600 207900 33264 924

3432 168168 1513512 4204200 4204200 1513512 168168 3432

12870 823680 10090080 40360320 63063000 40360320 10090080 823680 12870

A069466 as a square array

`1`	`2`	`6`	`20`	`70`	`252`	`924`	`3432`	`12870`
`2`	`24`	`180`	`1120`	`6300`	`33264`	`168168`	`823680`
`6`	`180`	`2520`	`25200`	`207900`	`1513512`	`10090080`
`20`	`1120`	`25200`	`369600`	`4204200`	`40360320`
`70`	`6300`	`207900`	`4204200`	`63063000`
`252`	`33264`	`1513512`	`40360320`
`924`	`168168`	`10090080`
`3432`	`823680`
`12870`

A069466 as an upper right triangle

`1`	`2`	`6`	`20`	`70`	`252`	`924`	`3432`	`12870`
	`2`	`24`	`180`	`1120`	`6300`	`33264`	`168168`	`823680`
		`6`	`180`	`2520`	`25200`	`207900`	`1513512`	`10090080`
			`20`	`1120`	`25200`	`369600`	`4204200`	`40360320`
				`70`	`6300`	`207900`	`4204200`	`63063000`
					`252`	`33264`	`1513512`	`40360320`
						`924`	`168168`	`10090080`
							`3432`	`823680`
								`12870`

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Last modified May 10 02:43 EDT 2024. Contains 372354 sequences. (Running on oeis4.)