A223525 - OEIS

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A223525 as a triangular array

1

4 3

4 24 9

28 252 189 27

280 3360 3780 1080 81

3640 54600 81900 35100 5265 243

1106560 4979520 5335200 2134080 369360 27702 729

24344320 127807680 164324160 82162080 18960480 2133054 112266 2187

608608000

A223525 as a square array

`1`	`4`	`4`	`28`	`280`	`3640`	`1106560`	`24344320`	`608608000`
`3`	`24`	`252`	`3360`	`54600`	`4979520`	`127807680`
`9`	`189`	`3780`	`81900`	`5335200`	`164324160`
`27`	`1080`	`35100`	`2134080`	`82162080`
`81`	`5265`	`369360`	`18960480`
`243`	`27702`	`2133054`
`729`	`112266`
`2187`

A223525 as an upper right triangle

`1`	`4`	`4`	`28`	`280`	`3640`	`1106560`	`24344320`	`608608000`
	`3`	`24`	`252`	`3360`	`54600`	`4979520`	`127807680`
		`9`	`189`	`3780`	`81900`	`5335200`	`164324160`
			`27`	`1080`	`35100`	`2134080`	`82162080`
				`81`	`5265`	`369360`	`18960480`
					`243`	`27702`	`2133054`
						`729`	`112266`
							`2187`

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)