A319495 - OEIS

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A319495 as a triangular array

1

0 1

0 2 2

0 3 5 6

0 5 20 18 24

0 7 46 86 84 120

0 11 137 347 456 480 720

0 15 313 1216 2136 2940 3240 5040

0 22 836 4253 11128 15300 22200 25200 40320

0 30 1908 15410 44308 90024 127680 191520 221760 362880

A319495 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`3`	`5`	`7`	`11`	`15`	`22`	`30`
`2`	`5`	`20`	`46`	`137`	`313`	`836`	`1908`
`6`	`18`	`86`	`347`	`1216`	`4253`	`15410`
`24`	`84`	`456`	`2136`	`11128`	`44308`
`120`	`480`	`2940`	`15300`	`90024`
`720`	`3240`	`22200`	`127680`
`5040`	`25200`	`191520`
`40320`	`221760`
`362880`

A319495 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`3`	`5`	`7`	`11`	`15`	`22`	`30`
		`2`	`5`	`20`	`46`	`137`	`313`	`836`	`1908`
			`6`	`18`	`86`	`347`	`1216`	`4253`	`15410`
				`24`	`84`	`456`	`2136`	`11128`	`44308`
					`120`	`480`	`2940`	`15300`	`90024`
						`720`	`3240`	`22200`	`127680`
							`5040`	`25200`	`191520`
								`40320`	`221760`
									`362880`

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)