A185423 - OEIS

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A185423 as a triangular array

1

1 2

3 6 6

9 30 36 24

39 150 270 240 120

189 918 1980 2520 1800 720

1107 6174 16254 25200 25200 15120 5040

7281 47070 142884 266616 327600 272160 141120 40320

54351 394470 1369710 2948400 4331880

A185423 as a square array

`1`	`1`	`3`	`9`	`39`	`189`	`1107`	`7281`	`54351`
`2`	`6`	`30`	`150`	`918`	`6174`	`47070`	`394470`
`6`	`36`	`270`	`1980`	`16254`	`142884`	`1369710`
`24`	`240`	`2520`	`25200`	`266616`	`2948400`
`120`	`1800`	`25200`	`327600`	`4331880`
`720`	`15120`	`272160`
`5040`	`141120`
`40320`

A185423 as an upper right triangle

`1`	`1`	`3`	`9`	`39`	`189`	`1107`	`7281`	`54351`
	`2`	`6`	`30`	`150`	`918`	`6174`	`47070`	`394470`
		`6`	`36`	`270`	`1980`	`16254`	`142884`	`1369710`
			`24`	`240`	`2520`	`25200`	`266616`	`2948400`
				`120`	`1800`	`25200`	`327600`	`4331880`
					`720`	`15120`	`272160`
						`5040`	`141120`
							`40320`

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Last modified May 13 05:55 EDT 2024. Contains 372498 sequences. (Running on oeis4.)